Home / 927,538.16-1,279,712.12-519,584.90

Finding the Fourth Proportional to 927,538.16, 1,279,712.12 and 519,584.90

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Solution

The fourth proportional to 927,538.16, 1,279,712.12 and 519,584.90 is: 716,864.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,538.16 : 1,279,712.12 = 519,584.90 : x
  2. Step 2: Convert to fraction form
    927,538.16/1,279,712.12 = 519,584.90/x
  3. Step 3: Cross multiply
    927,538.16x = 1,279,712.12 × 519,584.90
  4. Step 4: Simplify right side
    927,538.16x = 664,919,093,898.99
  5. Step 5: Solve for x
    x = 664,919,093,898.99/927,538.16
  6. Step 6: Final answer
    x = 716,864.41

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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.