Home / 1,234,260.30-1,851,390.45-347,796.30

Finding the Fourth Proportional to 1,234,260.30, 1,851,390.45 and 347,796.30

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Solution

The fourth proportional to 1,234,260.30, 1,851,390.45 and 347,796.30 is: 521,694.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,260.30 : 1,851,390.45 = 347,796.30 : x
  2. Step 2: Convert to fraction form
    1,234,260.30/1,851,390.45 = 347,796.30/x
  3. Step 3: Cross multiply
    1,234,260.30x = 1,851,390.45 × 347,796.30
  4. Step 4: Simplify right side
    1,234,260.30x = 643,906,748,365.34
  5. Step 5: Solve for x
    x = 643,906,748,365.34/1,234,260.30
  6. Step 6: Final answer
    x = 521,694.45

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Half scale
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Double scale
Find fourth proportional to 1,234,261.30, 1,851,391.95 and 347,797.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.