Home / 859,682.62-1,186,471.11-520,153.66

Finding the Fourth Proportional to 859,682.62, 1,186,471.11 and 520,153.66

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Solution

The fourth proportional to 859,682.62, 1,186,471.11 and 520,153.66 is: 717,878.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,682.62 : 1,186,471.11 = 520,153.66 : x
  2. Step 2: Convert to fraction form
    859,682.62/1,186,471.11 = 520,153.66/x
  3. Step 3: Cross multiply
    859,682.62x = 1,186,471.11 × 520,153.66
  4. Step 4: Simplify right side
    859,682.62x = 617,147,290,350.76
  5. Step 5: Solve for x
    x = 617,147,290,350.76/859,682.62
  6. Step 6: Final answer
    x = 717,878.06

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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.