Home / 453,905.40-679,691.70-334,932.60

Finding the Fourth Proportional to 453,905.40, 679,691.70 and 334,932.60

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Solution

The fourth proportional to 453,905.40, 679,691.70 and 334,932.60 is: 501,538.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,905.40 : 679,691.70 = 334,932.60 : x
  2. Step 2: Convert to fraction form
    453,905.40/679,691.70 = 334,932.60/x
  3. Step 3: Cross multiply
    453,905.40x = 679,691.70 × 334,932.60
  4. Step 4: Simplify right side
    453,905.40x = 227,650,908,279.42
  5. Step 5: Solve for x
    x = 227,650,908,279.42/453,905.40
  6. Step 6: Final answer
    x = 501,538.22

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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.