Home / 924,925.80-1,386,351.90-392,356.20

Finding the Fourth Proportional to 924,925.80, 1,386,351.90 and 392,356.20

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Solution

The fourth proportional to 924,925.80, 1,386,351.90 and 392,356.20 is: 588,094.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,925.80 : 1,386,351.90 = 392,356.20 : x
  2. Step 2: Convert to fraction form
    924,925.80/1,386,351.90 = 392,356.20/x
  3. Step 3: Cross multiply
    924,925.80x = 1,386,351.90 × 392,356.20
  4. Step 4: Simplify right side
    924,925.80x = 543,943,763,346.78
  5. Step 5: Solve for x
    x = 543,943,763,346.78/924,925.80
  6. Step 6: Final answer
    x = 588,094.49

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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.