Home / 1,234,015.76-1,851,173.40-347,551.76

Finding the Fourth Proportional to 1,234,015.76, 1,851,173.40 and 347,551.76

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Solution

The fourth proportional to 1,234,015.76, 1,851,173.40 and 347,551.76 is: 521,369.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,015.76 : 1,851,173.40 = 347,551.76 : x
  2. Step 2: Convert to fraction form
    1,234,015.76/1,851,173.40 = 347,551.76/x
  3. Step 3: Cross multiply
    1,234,015.76x = 1,851,173.40 × 347,551.76
  4. Step 4: Simplify right side
    1,234,015.76x = 643,378,573,235.18
  5. Step 5: Solve for x
    x = 643,378,573,235.18/1,234,015.76
  6. Step 6: Final answer
    x = 521,369.82

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Double scale
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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.