Home / 862,191.27-1,189,916.76-475,045.61

Finding the Fourth Proportional to 862,191.27, 1,189,916.76 and 475,045.61

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Solution

The fourth proportional to 862,191.27, 1,189,916.76 and 475,045.61 is: 655,614.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,191.27 : 1,189,916.76 = 475,045.61 : x
  2. Step 2: Convert to fraction form
    862,191.27/1,189,916.76 = 475,045.61/x
  3. Step 3: Cross multiply
    862,191.27x = 1,189,916.76 × 475,045.61
  4. Step 4: Simplify right side
    862,191.27x = 565,264,733,103.42
  5. Step 5: Solve for x
    x = 565,264,733,103.42/862,191.27
  6. Step 6: Final answer
    x = 655,614.08

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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.