Home / 1,135,176.15-1,566,555.31-618,925.83

Finding the Fourth Proportional to 1,135,176.15, 1,566,555.31 and 618,925.83

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Solution

The fourth proportional to 1,135,176.15, 1,566,555.31 and 618,925.83 is: 854,124.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,176.15 : 1,566,555.31 = 618,925.83 : x
  2. Step 2: Convert to fraction form
    1,135,176.15/1,566,555.31 = 618,925.83/x
  3. Step 3: Cross multiply
    1,135,176.15x = 1,566,555.31 × 618,925.83
  4. Step 4: Simplify right side
    1,135,176.15x = 969,581,540,381.73
  5. Step 5: Solve for x
    x = 969,581,540,381.73/1,135,176.15
  6. Step 6: Final answer
    x = 854,124.31

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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.