Home / 981,788.93-1,354,876.82-552,065.30

Finding the Fourth Proportional to 981,788.93, 1,354,876.82 and 552,065.30

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Solution

The fourth proportional to 981,788.93, 1,354,876.82 and 552,065.30 is: 761,854.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,788.93 : 1,354,876.82 = 552,065.30 : x
  2. Step 2: Convert to fraction form
    981,788.93/1,354,876.82 = 552,065.30/x
  3. Step 3: Cross multiply
    981,788.93x = 1,354,876.82 × 552,065.30
  4. Step 4: Simplify right side
    981,788.93x = 747,980,482,863.70
  5. Step 5: Solve for x
    x = 747,980,482,863.70/981,788.93
  6. Step 6: Final answer
    x = 761,854.67

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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.