Home / 497,941.92-687,156.54-283,082.04

Finding the Fourth Proportional to 497,941.92, 687,156.54 and 283,082.04

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Solution

The fourth proportional to 497,941.92, 687,156.54 and 283,082.04 is: 390,651.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,941.92 : 687,156.54 = 283,082.04 : x
  2. Step 2: Convert to fraction form
    497,941.92/687,156.54 = 283,082.04/x
  3. Step 3: Cross multiply
    497,941.92x = 687,156.54 × 283,082.04
  4. Step 4: Simplify right side
    497,941.92x = 194,521,675,142.54
  5. Step 5: Solve for x
    x = 194,521,675,142.54/497,941.92
  6. Step 6: Final answer
    x = 390,651.33

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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.