Home / 684,475.01-1,024,170.12-430,569.77

Finding the Fourth Proportional to 684,475.01, 1,024,170.12 and 430,569.77

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Solution

The fourth proportional to 684,475.01, 1,024,170.12 and 430,569.77 is: 644,255.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,475.01 : 1,024,170.12 = 430,569.77 : x
  2. Step 2: Convert to fraction form
    684,475.01/1,024,170.12 = 430,569.77/x
  3. Step 3: Cross multiply
    684,475.01x = 1,024,170.12 × 430,569.77
  4. Step 4: Simplify right side
    684,475.01x = 440,976,690,856.42
  5. Step 5: Solve for x
    x = 440,976,690,856.42/684,475.01
  6. Step 6: Final answer
    x = 644,255.36

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Double scale
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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.