Home / 774,004.20-1,159,451.10-522,061.80

Finding the Fourth Proportional to 774,004.20, 1,159,451.10 and 522,061.80

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Solution

The fourth proportional to 774,004.20, 1,159,451.10 and 522,061.80 is: 782,043.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,004.20 : 1,159,451.10 = 522,061.80 : x
  2. Step 2: Convert to fraction form
    774,004.20/1,159,451.10 = 522,061.80/x
  3. Step 3: Cross multiply
    774,004.20x = 1,159,451.10 × 522,061.80
  4. Step 4: Simplify right side
    774,004.20x = 605,305,128,277.98
  5. Step 5: Solve for x
    x = 605,305,128,277.98/774,004.20
  6. Step 6: Final answer
    x = 782,043.73

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1.5x scale

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.