Home / 912,231.92-1,259,079.91-530,478.92

Finding the Fourth Proportional to 912,231.92, 1,259,079.91 and 530,478.92

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Solution

The fourth proportional to 912,231.92, 1,259,079.91 and 530,478.92 is: 732,177.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,231.92 : 1,259,079.91 = 530,478.92 : x
  2. Step 2: Convert to fraction form
    912,231.92/1,259,079.91 = 530,478.92/x
  3. Step 3: Cross multiply
    912,231.92x = 1,259,079.91 × 530,478.92
  4. Step 4: Simplify right side
    912,231.92x = 667,915,352,672.00
  5. Step 5: Solve for x
    x = 667,915,352,672.00/912,231.92
  6. Step 6: Final answer
    x = 732,177.13

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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.