Home / 811,135.68-1,119,451.32-466,983.96

Finding the Fourth Proportional to 811,135.68, 1,119,451.32 and 466,983.96

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Solution

The fourth proportional to 811,135.68, 1,119,451.32 and 466,983.96 is: 644,486.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,135.68 : 1,119,451.32 = 466,983.96 : x
  2. Step 2: Convert to fraction form
    811,135.68/1,119,451.32 = 466,983.96/x
  3. Step 3: Cross multiply
    811,135.68x = 1,119,451.32 × 466,983.96
  4. Step 4: Simplify right side
    811,135.68x = 522,765,810,440.83
  5. Step 5: Solve for x
    x = 522,765,810,440.83/811,135.68
  6. Step 6: Final answer
    x = 644,486.27

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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.