Home / 705,237.60-1,057,856.40-424,610.40

Finding the Fourth Proportional to 705,237.60, 1,057,856.40 and 424,610.40

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Solution

The fourth proportional to 705,237.60, 1,057,856.40 and 424,610.40 is: 636,915.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,237.60 : 1,057,856.40 = 424,610.40 : x
  2. Step 2: Convert to fraction form
    705,237.60/1,057,856.40 = 424,610.40/x
  3. Step 3: Cross multiply
    705,237.60x = 1,057,856.40 × 424,610.40
  4. Step 4: Simplify right side
    705,237.60x = 449,176,829,146.56
  5. Step 5: Solve for x
    x = 449,176,829,146.56/705,237.60
  6. Step 6: Final answer
    x = 636,915.60

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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.