Home / 827,353.72-1,141,747.50-469,657.72

Finding the Fourth Proportional to 827,353.72, 1,141,747.50 and 469,657.72

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Solution

The fourth proportional to 827,353.72, 1,141,747.50 and 469,657.72 is: 648,127.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,353.72 : 1,141,747.50 = 469,657.72 : x
  2. Step 2: Convert to fraction form
    827,353.72/1,141,747.50 = 469,657.72/x
  3. Step 3: Cross multiply
    827,353.72x = 1,141,747.50 × 469,657.72
  4. Step 4: Simplify right side
    827,353.72x = 536,230,527,665.70
  5. Step 5: Solve for x
    x = 536,230,527,665.70/827,353.72
  6. Step 6: Final answer
    x = 648,127.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.