Home / 982,892.20-1,356,434.90-553,200.20

Finding the Fourth Proportional to 982,892.20, 1,356,434.90 and 553,200.20

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Solution

The fourth proportional to 982,892.20, 1,356,434.90 and 553,200.20 is: 763,440.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,892.20 : 1,356,434.90 = 553,200.20 : x
  2. Step 2: Convert to fraction form
    982,892.20/1,356,434.90 = 553,200.20/x
  3. Step 3: Cross multiply
    982,892.20x = 1,356,434.90 × 553,200.20
  4. Step 4: Simplify right side
    982,892.20x = 750,380,057,966.98
  5. Step 5: Solve for x
    x = 750,380,057,966.98/982,892.20
  6. Step 6: Final answer
    x = 763,440.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.