Home / 803,219.52-1,109,193.04-517,242.54

Finding the Fourth Proportional to 803,219.52, 1,109,193.04 and 517,242.54

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Solution

The fourth proportional to 803,219.52, 1,109,193.04 and 517,242.54 is: 714,277.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,219.52 : 1,109,193.04 = 517,242.54 : x
  2. Step 2: Convert to fraction form
    803,219.52/1,109,193.04 = 517,242.54/x
  3. Step 3: Cross multiply
    803,219.52x = 1,109,193.04 × 517,242.54
  4. Step 4: Simplify right side
    803,219.52x = 573,721,825,359.92
  5. Step 5: Solve for x
    x = 573,721,825,359.92/803,219.52
  6. Step 6: Final answer
    x = 714,277.74

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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.