Home / 709,714.20-1,061,979.30-523,090.20

Finding the Fourth Proportional to 709,714.20, 1,061,979.30 and 523,090.20

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Solution

The fourth proportional to 709,714.20, 1,061,979.30 and 523,090.20 is: 782,724.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,714.20 : 1,061,979.30 = 523,090.20 : x
  2. Step 2: Convert to fraction form
    709,714.20/1,061,979.30 = 523,090.20/x
  3. Step 3: Cross multiply
    709,714.20x = 1,061,979.30 × 523,090.20
  4. Step 4: Simplify right side
    709,714.20x = 555,510,964,432.86
  5. Step 5: Solve for x
    x = 555,510,964,432.86/709,714.20
  6. Step 6: Final answer
    x = 782,724.88

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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.