Home / 957,122.29-1,320,856.55-527,430.14

Finding the Fourth Proportional to 957,122.29, 1,320,856.55 and 527,430.14

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Solution

The fourth proportional to 957,122.29, 1,320,856.55 and 527,430.14 is: 727,868.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,122.29 : 1,320,856.55 = 527,430.14 : x
  2. Step 2: Convert to fraction form
    957,122.29/1,320,856.55 = 527,430.14/x
  3. Step 3: Cross multiply
    957,122.29x = 1,320,856.55 × 527,430.14
  4. Step 4: Simplify right side
    957,122.29x = 696,659,555,086.42
  5. Step 5: Solve for x
    x = 696,659,555,086.42/957,122.29
  6. Step 6: Final answer
    x = 727,868.91

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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.