Home / 374,422.12-516,702.78-204,656.23

Finding the Fourth Proportional to 374,422.12, 516,702.78 and 204,656.23

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Solution

The fourth proportional to 374,422.12, 516,702.78 and 204,656.23 is: 282,425.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,422.12 : 516,702.78 = 204,656.23 : x
  2. Step 2: Convert to fraction form
    374,422.12/516,702.78 = 204,656.23/x
  3. Step 3: Cross multiply
    374,422.12x = 516,702.78 × 204,656.23
  4. Step 4: Simplify right side
    374,422.12x = 105,746,442,985.32
  5. Step 5: Solve for x
    x = 105,746,442,985.32/374,422.12
  6. Step 6: Final answer
    x = 282,425.74

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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.