Home / 563,886.20-845,924.11-279,590.78

Finding the Fourth Proportional to 563,886.20, 845,924.11 and 279,590.78

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Solution

The fourth proportional to 563,886.20, 845,924.11 and 279,590.78 is: 419,433.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,886.20 : 845,924.11 = 279,590.78 : x
  2. Step 2: Convert to fraction form
    563,886.20/845,924.11 = 279,590.78/x
  3. Step 3: Cross multiply
    563,886.20x = 845,924.11 × 279,590.78
  4. Step 4: Simplify right side
    563,886.20x = 236,512,581,735.71
  5. Step 5: Solve for x
    x = 236,512,581,735.71/563,886.20
  6. Step 6: Final answer
    x = 419,433.18

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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.