Home / 862,207.60-1,189,846.82-499,841.52

Finding the Fourth Proportional to 862,207.60, 1,189,846.82 and 499,841.52

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Solution

The fourth proportional to 862,207.60, 1,189,846.82 and 499,841.52 is: 689,781.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,207.60 : 1,189,846.82 = 499,841.52 : x
  2. Step 2: Convert to fraction form
    862,207.60/1,189,846.82 = 499,841.52/x
  3. Step 3: Cross multiply
    862,207.60x = 1,189,846.82 × 499,841.52
  4. Step 4: Simplify right side
    862,207.60x = 594,734,843,075.97
  5. Step 5: Solve for x
    x = 594,734,843,075.97/862,207.60
  6. Step 6: Final answer
    x = 689,781.49

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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.