Home / 497,077.12-686,028.18-282,286.18

Finding the Fourth Proportional to 497,077.12, 686,028.18 and 282,286.18

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Solution

The fourth proportional to 497,077.12, 686,028.18 and 282,286.18 is: 389,590.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,077.12 : 686,028.18 = 282,286.18 : x
  2. Step 2: Convert to fraction form
    497,077.12/686,028.18 = 282,286.18/x
  3. Step 3: Cross multiply
    497,077.12x = 686,028.18 × 282,286.18
  4. Step 4: Simplify right side
    497,077.12x = 193,656,274,304.55
  5. Step 5: Solve for x
    x = 193,656,274,304.55/497,077.12
  6. Step 6: Final answer
    x = 389,590.00

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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.