Home / 625,205.65-937,887.91-198,589.26

Finding the Fourth Proportional to 625,205.65, 937,887.91 and 198,589.26

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Solution

The fourth proportional to 625,205.65, 937,887.91 and 198,589.26 is: 297,909.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,205.65 : 937,887.91 = 198,589.26 : x
  2. Step 2: Convert to fraction form
    625,205.65/937,887.91 = 198,589.26/x
  3. Step 3: Cross multiply
    625,205.65x = 937,887.91 × 198,589.26
  4. Step 4: Simplify right side
    625,205.65x = 186,254,465,513.37
  5. Step 5: Solve for x
    x = 186,254,465,513.37/625,205.65
  6. Step 6: Final answer
    x = 297,909.12

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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.