Home / 459,228.10-687,613.35-292,111.30

Finding the Fourth Proportional to 459,228.10, 687,613.35 and 292,111.30

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Solution

The fourth proportional to 459,228.10, 687,613.35 and 292,111.30 is: 437,385.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,228.10 : 687,613.35 = 292,111.30 : x
  2. Step 2: Convert to fraction form
    459,228.10/687,613.35 = 292,111.30/x
  3. Step 3: Cross multiply
    459,228.10x = 687,613.35 × 292,111.30
  4. Step 4: Simplify right side
    459,228.10x = 200,859,629,565.86
  5. Step 5: Solve for x
    x = 200,859,629,565.86/459,228.10
  6. Step 6: Final answer
    x = 437,385.32

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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.