Home / 691,042.59-953,074.89-580,233.51

Finding the Fourth Proportional to 691,042.59, 953,074.89 and 580,233.51

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Solution

The fourth proportional to 691,042.59, 953,074.89 and 580,233.51 is: 800,248.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,042.59 : 953,074.89 = 580,233.51 : x
  2. Step 2: Convert to fraction form
    691,042.59/953,074.89 = 580,233.51/x
  3. Step 3: Cross multiply
    691,042.59x = 953,074.89 × 580,233.51
  4. Step 4: Simplify right side
    691,042.59x = 553,005,988,717.56
  5. Step 5: Solve for x
    x = 553,005,988,717.56/691,042.59
  6. Step 6: Final answer
    x = 800,248.78

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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.