Home / 715,915.20-1,072,951.20-548,875.20

Finding the Fourth Proportional to 715,915.20, 1,072,951.20 and 548,875.20

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Solution

The fourth proportional to 715,915.20, 1,072,951.20 and 548,875.20 is: 822,606.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,915.20 : 1,072,951.20 = 548,875.20 : x
  2. Step 2: Convert to fraction form
    715,915.20/1,072,951.20 = 548,875.20/x
  3. Step 3: Cross multiply
    715,915.20x = 1,072,951.20 × 548,875.20
  4. Step 4: Simplify right side
    715,915.20x = 588,916,304,490.24
  5. Step 5: Solve for x
    x = 588,916,304,490.24/715,915.20
  6. Step 6: Final answer
    x = 822,606.23

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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.