Home / 934,888.80-1,290,249.05-542,508.19

Finding the Fourth Proportional to 934,888.80, 1,290,249.05 and 542,508.19

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Solution

The fourth proportional to 934,888.80, 1,290,249.05 and 542,508.19 is: 748,720.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,888.80 : 1,290,249.05 = 542,508.19 : x
  2. Step 2: Convert to fraction form
    934,888.80/1,290,249.05 = 542,508.19/x
  3. Step 3: Cross multiply
    934,888.80x = 1,290,249.05 × 542,508.19
  4. Step 4: Simplify right side
    934,888.80x = 699,970,676,764.72
  5. Step 5: Solve for x
    x = 699,970,676,764.72/934,888.80
  6. Step 6: Final answer
    x = 748,720.79

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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.