Home / 926,401.80-1,388,565.90-527,233.80

Finding the Fourth Proportional to 926,401.80, 1,388,565.90 and 527,233.80

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Solution

The fourth proportional to 926,401.80, 1,388,565.90 and 527,233.80 is: 790,260.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,401.80 : 1,388,565.90 = 527,233.80 : x
  2. Step 2: Convert to fraction form
    926,401.80/1,388,565.90 = 527,233.80/x
  3. Step 3: Cross multiply
    926,401.80x = 1,388,565.90 × 527,233.80
  4. Step 4: Simplify right side
    926,401.80x = 732,098,876,007.42
  5. Step 5: Solve for x
    x = 732,098,876,007.42/926,401.80
  6. Step 6: Final answer
    x = 790,260.64

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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.