Home / 497,931.83-746,514.91-257,788.29

Finding the Fourth Proportional to 497,931.83, 746,514.91 and 257,788.29

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Solution

The fourth proportional to 497,931.83, 746,514.91 and 257,788.29 is: 386,484.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,931.83 : 746,514.91 = 257,788.29 : x
  2. Step 2: Convert to fraction form
    497,931.83/746,514.91 = 257,788.29/x
  3. Step 3: Cross multiply
    497,931.83x = 746,514.91 × 257,788.29
  4. Step 4: Simplify right side
    497,931.83x = 192,442,801,463.93
  5. Step 5: Solve for x
    x = 192,442,801,463.93/497,931.83
  6. Step 6: Final answer
    x = 386,484.24

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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.