Home / 807,141.56-1,113,686.38-467,589.56

Finding the Fourth Proportional to 807,141.56, 1,113,686.38 and 467,589.56

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Solution

The fourth proportional to 807,141.56, 1,113,686.38 and 467,589.56 is: 645,175.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,141.56 : 1,113,686.38 = 467,589.56 : x
  2. Step 2: Convert to fraction form
    807,141.56/1,113,686.38 = 467,589.56/x
  3. Step 3: Cross multiply
    807,141.56x = 1,113,686.38 × 467,589.56
  4. Step 4: Simplify right side
    807,141.56x = 520,748,124,402.19
  5. Step 5: Solve for x
    x = 520,748,124,402.19/807,141.56
  6. Step 6: Final answer
    x = 645,175.70

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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.