Home / 529,943.40-794,915.10-361,981.80

Finding the Fourth Proportional to 529,943.40, 794,915.10 and 361,981.80

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Solution

The fourth proportional to 529,943.40, 794,915.10 and 361,981.80 is: 542,972.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,943.40 : 794,915.10 = 361,981.80 : x
  2. Step 2: Convert to fraction form
    529,943.40/794,915.10 = 361,981.80/x
  3. Step 3: Cross multiply
    529,943.40x = 794,915.10 × 361,981.80
  4. Step 4: Simplify right side
    529,943.40x = 287,744,798,745.18
  5. Step 5: Solve for x
    x = 287,744,798,745.18/529,943.40
  6. Step 6: Final answer
    x = 542,972.70

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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.