Home / 702,915.60-1,054,373.40-514,909.20

Finding the Fourth Proportional to 702,915.60, 1,054,373.40 and 514,909.20

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Solution

The fourth proportional to 702,915.60, 1,054,373.40 and 514,909.20 is: 772,363.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,915.60 : 1,054,373.40 = 514,909.20 : x
  2. Step 2: Convert to fraction form
    702,915.60/1,054,373.40 = 514,909.20/x
  3. Step 3: Cross multiply
    702,915.60x = 1,054,373.40 × 514,909.20
  4. Step 4: Simplify right side
    702,915.60x = 542,906,563,895.28
  5. Step 5: Solve for x
    x = 542,906,563,895.28/702,915.60
  6. Step 6: Final answer
    x = 772,363.80

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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.