Home / 625,316.23-862,939.40-338,836.85

Finding the Fourth Proportional to 625,316.23, 862,939.40 and 338,836.85

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Solution

The fourth proportional to 625,316.23, 862,939.40 and 338,836.85 is: 467,596.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,316.23 : 862,939.40 = 338,836.85 : x
  2. Step 2: Convert to fraction form
    625,316.23/862,939.40 = 338,836.85/x
  3. Step 3: Cross multiply
    625,316.23x = 862,939.40 × 338,836.85
  4. Step 4: Simplify right side
    625,316.23x = 292,395,668,036.89
  5. Step 5: Solve for x
    x = 292,395,668,036.89/625,316.23
  6. Step 6: Final answer
    x = 467,596.48

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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.