Home / 563,383.46-845,919.40-487,715.42

Finding the Fourth Proportional to 563,383.46, 845,919.40 and 487,715.42

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Solution

The fourth proportional to 563,383.46, 845,919.40 and 487,715.42 is: 732,303.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,383.46 : 845,919.40 = 487,715.42 : x
  2. Step 2: Convert to fraction form
    563,383.46/845,919.40 = 487,715.42/x
  3. Step 3: Cross multiply
    563,383.46x = 845,919.40 × 487,715.42
  4. Step 4: Simplify right side
    563,383.46x = 412,567,936,352.66
  5. Step 5: Solve for x
    x = 412,567,936,352.66/563,383.46
  6. Step 6: Final answer
    x = 732,303.96

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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.