Home / 615,723.40-923,613.90-195,032.20

Finding the Fourth Proportional to 615,723.40, 923,613.90 and 195,032.20

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Solution

The fourth proportional to 615,723.40, 923,613.90 and 195,032.20 is: 292,557.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,723.40 : 923,613.90 = 195,032.20 : x
  2. Step 2: Convert to fraction form
    615,723.40/923,613.90 = 195,032.20/x
  3. Step 3: Cross multiply
    615,723.40x = 923,613.90 × 195,032.20
  4. Step 4: Simplify right side
    615,723.40x = 180,134,450,867.58
  5. Step 5: Solve for x
    x = 180,134,450,867.58/615,723.40
  6. Step 6: Final answer
    x = 292,557.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.