Home / 799,291.68-1,103,511.32-520,154.85

Finding the Fourth Proportional to 799,291.68, 1,103,511.32 and 520,154.85

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Solution

The fourth proportional to 799,291.68, 1,103,511.32 and 520,154.85 is: 718,131.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,291.68 : 1,103,511.32 = 520,154.85 : x
  2. Step 2: Convert to fraction form
    799,291.68/1,103,511.32 = 520,154.85/x
  3. Step 3: Cross multiply
    799,291.68x = 1,103,511.32 × 520,154.85
  4. Step 4: Simplify right side
    799,291.68x = 573,996,765,127.90
  5. Step 5: Solve for x
    x = 573,996,765,127.90/799,291.68
  6. Step 6: Final answer
    x = 718,131.79

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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.