Home / 625,087.10-862,620.14-338,607.12

Finding the Fourth Proportional to 625,087.10, 862,620.14 and 338,607.12

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Solution

The fourth proportional to 625,087.10, 862,620.14 and 338,607.12 is: 467,277.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,087.10 : 862,620.14 = 338,607.12 : x
  2. Step 2: Convert to fraction form
    625,087.10/862,620.14 = 338,607.12/x
  3. Step 3: Cross multiply
    625,087.10x = 862,620.14 × 338,607.12
  4. Step 4: Simplify right side
    625,087.10x = 292,089,321,259.40
  5. Step 5: Solve for x
    x = 292,089,321,259.40/625,087.10
  6. Step 6: Final answer
    x = 467,277.79

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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.