Home / 774,126.20-1,159,634.10-537,735.80

Finding the Fourth Proportional to 774,126.20, 1,159,634.10 and 537,735.80

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Solution

The fourth proportional to 774,126.20, 1,159,634.10 and 537,735.80 is: 805,523.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,126.20 : 1,159,634.10 = 537,735.80 : x
  2. Step 2: Convert to fraction form
    774,126.20/1,159,634.10 = 537,735.80/x
  3. Step 3: Cross multiply
    774,126.20x = 1,159,634.10 × 537,735.80
  4. Step 4: Simplify right side
    774,126.20x = 623,576,770,470.78
  5. Step 5: Solve for x
    x = 623,576,770,470.78/774,126.20
  6. Step 6: Final answer
    x = 805,523.40

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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.