Home / 649,916.25-896,867.66-359,520.26

Finding the Fourth Proportional to 649,916.25, 896,867.66 and 359,520.26

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Solution

The fourth proportional to 649,916.25, 896,867.66 and 359,520.26 is: 496,128.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,916.25 : 896,867.66 = 359,520.26 : x
  2. Step 2: Convert to fraction form
    649,916.25/896,867.66 = 359,520.26/x
  3. Step 3: Cross multiply
    649,916.25x = 896,867.66 × 359,520.26
  4. Step 4: Simplify right side
    649,916.25x = 322,442,088,026.85
  5. Step 5: Solve for x
    x = 322,442,088,026.85/649,916.25
  6. Step 6: Final answer
    x = 496,128.68

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Double scale
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Similar ratio
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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.