Home / 563,853.40-845,924.10-397,965.40

Finding the Fourth Proportional to 563,853.40, 845,924.10 and 397,965.40

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Solution

The fourth proportional to 563,853.40, 845,924.10 and 397,965.40 is: 597,049.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,853.40 : 845,924.10 = 397,965.40 : x
  2. Step 2: Convert to fraction form
    563,853.40/845,924.10 = 397,965.40/x
  3. Step 3: Cross multiply
    563,853.40x = 845,924.10 × 397,965.40
  4. Step 4: Simplify right side
    563,853.40x = 336,648,522,826.14
  5. Step 5: Solve for x
    x = 336,648,522,826.14/563,853.40
  6. Step 6: Final answer
    x = 597,049.73

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Double scale
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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.