Home / 385,776.88-532,394.04-216,009.52

Finding the Fourth Proportional to 385,776.88, 532,394.04 and 216,009.52

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Solution

The fourth proportional to 385,776.88, 532,394.04 and 216,009.52 is: 298,105.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,776.88 : 532,394.04 = 216,009.52 : x
  2. Step 2: Convert to fraction form
    385,776.88/532,394.04 = 216,009.52/x
  3. Step 3: Cross multiply
    385,776.88x = 532,394.04 × 216,009.52
  4. Step 4: Simplify right side
    385,776.88x = 115,002,181,031.26
  5. Step 5: Solve for x
    x = 115,002,181,031.26/385,776.88
  6. Step 6: Final answer
    x = 298,105.43

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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.