Home / 563,885.70-845,923.36-279,590.28

Finding the Fourth Proportional to 563,885.70, 845,923.36 and 279,590.28

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Solution

The fourth proportional to 563,885.70, 845,923.36 and 279,590.28 is: 419,432.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,885.70 : 845,923.36 = 279,590.28 : x
  2. Step 2: Convert to fraction form
    563,885.70/845,923.36 = 279,590.28/x
  3. Step 3: Cross multiply
    563,885.70x = 845,923.36 × 279,590.28
  4. Step 4: Simplify right side
    563,885.70x = 236,511,949,080.94
  5. Step 5: Solve for x
    x = 236,511,949,080.94/563,885.70
  6. Step 6: Final answer
    x = 419,432.43

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Double scale
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Similar ratio
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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.