Home / 842,031.14-1,161,989.40-460,049.72

Finding the Fourth Proportional to 842,031.14, 1,161,989.40 and 460,049.72

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Solution

The fourth proportional to 842,031.14, 1,161,989.40 and 460,049.72 is: 634,861.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,031.14 : 1,161,989.40 = 460,049.72 : x
  2. Step 2: Convert to fraction form
    842,031.14/1,161,989.40 = 460,049.72/x
  3. Step 3: Cross multiply
    842,031.14x = 1,161,989.40 × 460,049.72
  4. Step 4: Simplify right side
    842,031.14x = 534,572,898,112.97
  5. Step 5: Solve for x
    x = 534,572,898,112.97/842,031.14
  6. Step 6: Final answer
    x = 634,861.20

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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.