Home / 813,151.77-1,122,165.68-473,641.89

Finding the Fourth Proportional to 813,151.77, 1,122,165.68 and 473,641.89

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Solution

The fourth proportional to 813,151.77, 1,122,165.68 and 473,641.89 is: 653,635.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,151.77 : 1,122,165.68 = 473,641.89 : x
  2. Step 2: Convert to fraction form
    813,151.77/1,122,165.68 = 473,641.89/x
  3. Step 3: Cross multiply
    813,151.77x = 1,122,165.68 × 473,641.89
  4. Step 4: Simplify right side
    813,151.77x = 531,504,673,568.34
  5. Step 5: Solve for x
    x = 531,504,673,568.34/813,151.77
  6. Step 6: Final answer
    x = 653,635.27

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Double scale
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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.