Home / 828,844.40-1,240,156.20-754,194.80

Finding the Fourth Proportional to 828,844.40, 1,240,156.20 and 754,194.80

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Solution

The fourth proportional to 828,844.40, 1,240,156.20 and 754,194.80 is: 1,128,461.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,844.40 : 1,240,156.20 = 754,194.80 : x
  2. Step 2: Convert to fraction form
    828,844.40/1,240,156.20 = 754,194.80/x
  3. Step 3: Cross multiply
    828,844.40x = 1,240,156.20 × 754,194.80
  4. Step 4: Simplify right side
    828,844.40x = 935,319,357,227.76
  5. Step 5: Solve for x
    x = 935,319,357,227.76/828,844.40
  6. Step 6: Final answer
    x = 1,128,461.94

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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.