Home / 627,832.12-865,426.80-513,583.24

Finding the Fourth Proportional to 627,832.12, 865,426.80 and 513,583.24

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Solution

The fourth proportional to 627,832.12, 865,426.80 and 513,583.24 is: 707,941.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,832.12 : 865,426.80 = 513,583.24 : x
  2. Step 2: Convert to fraction form
    627,832.12/865,426.80 = 513,583.24/x
  3. Step 3: Cross multiply
    627,832.12x = 865,426.80 × 513,583.24
  4. Step 4: Simplify right side
    627,832.12x = 444,468,699,926.83
  5. Step 5: Solve for x
    x = 444,468,699,926.83/627,832.12
  6. Step 6: Final answer
    x = 707,941.96

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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.