Home / 927,751.28-1,391,188.29-359,398.58

Finding the Fourth Proportional to 927,751.28, 1,391,188.29 and 359,398.58

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Solution

The fourth proportional to 927,751.28, 1,391,188.29 and 359,398.58 is: 538,927.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,751.28 : 1,391,188.29 = 359,398.58 : x
  2. Step 2: Convert to fraction form
    927,751.28/1,391,188.29 = 359,398.58/x
  3. Step 3: Cross multiply
    927,751.28x = 1,391,188.29 × 359,398.58
  4. Step 4: Simplify right side
    927,751.28x = 499,991,088,982.69
  5. Step 5: Solve for x
    x = 499,991,088,982.69/927,751.28
  6. Step 6: Final answer
    x = 538,927.95

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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.