Home / 615,623.20-923,434.80-349,902.70

Finding the Fourth Proportional to 615,623.20, 923,434.80 and 349,902.70

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Solution

The fourth proportional to 615,623.20, 923,434.80 and 349,902.70 is: 524,854.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,623.20 : 923,434.80 = 349,902.70 : x
  2. Step 2: Convert to fraction form
    615,623.20/923,434.80 = 349,902.70/x
  3. Step 3: Cross multiply
    615,623.20x = 923,434.80 × 349,902.70
  4. Step 4: Simplify right side
    615,623.20x = 323,112,329,793.96
  5. Step 5: Solve for x
    x = 323,112,329,793.96/615,623.20
  6. Step 6: Final answer
    x = 524,854.05

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Similar ratio
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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.