Home / 563,507.47-844,816.51-279,295.89

Finding the Fourth Proportional to 563,507.47, 844,816.51 and 279,295.89

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Solution

The fourth proportional to 563,507.47, 844,816.51 and 279,295.89 is: 418,723.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,507.47 : 844,816.51 = 279,295.89 : x
  2. Step 2: Convert to fraction form
    563,507.47/844,816.51 = 279,295.89/x
  3. Step 3: Cross multiply
    563,507.47x = 844,816.51 × 279,295.89
  4. Step 4: Simplify right side
    563,507.47x = 235,953,779,047.14
  5. Step 5: Solve for x
    x = 235,953,779,047.14/563,507.47
  6. Step 6: Final answer
    x = 418,723.43

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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.