Home / 886,665.90-1,329,998.85-532,080.30

Finding the Fourth Proportional to 886,665.90, 1,329,998.85 and 532,080.30

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Solution

The fourth proportional to 886,665.90, 1,329,998.85 and 532,080.30 is: 798,120.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,665.90 : 1,329,998.85 = 532,080.30 : x
  2. Step 2: Convert to fraction form
    886,665.90/1,329,998.85 = 532,080.30/x
  3. Step 3: Cross multiply
    886,665.90x = 1,329,998.85 × 532,080.30
  4. Step 4: Simplify right side
    886,665.90x = 707,666,187,107.66
  5. Step 5: Solve for x
    x = 707,666,187,107.66/886,665.90
  6. Step 6: Final answer
    x = 798,120.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.