Home / 563,887.70-845,926.36-279,592.28

Finding the Fourth Proportional to 563,887.70, 845,926.36 and 279,592.28

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Solution

The fourth proportional to 563,887.70, 845,926.36 and 279,592.28 is: 419,435.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,887.70 : 845,926.36 = 279,592.28 : x
  2. Step 2: Convert to fraction form
    563,887.70/845,926.36 = 279,592.28/x
  3. Step 3: Cross multiply
    563,887.70x = 845,926.36 × 279,592.28
  4. Step 4: Simplify right side
    563,887.70x = 236,514,479,704.50
  5. Step 5: Solve for x
    x = 236,514,479,704.50/563,887.70
  6. Step 6: Final answer
    x = 419,435.43

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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.