Home / 403,132.52-556,345.87-231,079.14

Finding the Fourth Proportional to 403,132.52, 556,345.87 and 231,079.14

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Solution

The fourth proportional to 403,132.52, 556,345.87 and 231,079.14 is: 318,902.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,132.52 : 556,345.87 = 231,079.14 : x
  2. Step 2: Convert to fraction form
    403,132.52/556,345.87 = 231,079.14/x
  3. Step 3: Cross multiply
    403,132.52x = 556,345.87 × 231,079.14
  4. Step 4: Simplify right side
    403,132.52x = 128,559,924,604.45
  5. Step 5: Solve for x
    x = 128,559,924,604.45/403,132.52
  6. Step 6: Final answer
    x = 318,902.39

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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.