Home / 653,748.04-980,123.58-338,003.56

Finding the Fourth Proportional to 653,748.04, 980,123.58 and 338,003.56

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Solution

The fourth proportional to 653,748.04, 980,123.58 and 338,003.56 is: 506,747.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,748.04 : 980,123.58 = 338,003.56 : x
  2. Step 2: Convert to fraction form
    653,748.04/980,123.58 = 338,003.56/x
  3. Step 3: Cross multiply
    653,748.04x = 980,123.58 × 338,003.56
  4. Step 4: Simplify right side
    653,748.04x = 331,285,259,279.95
  5. Step 5: Solve for x
    x = 331,285,259,279.95/653,748.04
  6. Step 6: Final answer
    x = 506,747.61

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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.