Home / 1,234,277.80-1,851,416.70-347,813.80

Finding the Fourth Proportional to 1,234,277.80, 1,851,416.70 and 347,813.80

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Solution

The fourth proportional to 1,234,277.80, 1,851,416.70 and 347,813.80 is: 521,720.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,277.80 : 1,851,416.70 = 347,813.80 : x
  2. Step 2: Convert to fraction form
    1,234,277.80/1,851,416.70 = 347,813.80/x
  3. Step 3: Cross multiply
    1,234,277.80x = 1,851,416.70 × 347,813.80
  4. Step 4: Simplify right side
    1,234,277.80x = 643,948,277,810.46
  5. Step 5: Solve for x
    x = 643,948,277,810.46/1,234,277.80
  6. Step 6: Final answer
    x = 521,720.70

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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.