Home / 752,970.43-1,129,216.14-247,415.01

Finding the Fourth Proportional to 752,970.43, 1,129,216.14 and 247,415.01

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Solution

The fourth proportional to 752,970.43, 1,129,216.14 and 247,415.01 is: 371,043.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,970.43 : 1,129,216.14 = 247,415.01 : x
  2. Step 2: Convert to fraction form
    752,970.43/1,129,216.14 = 247,415.01/x
  3. Step 3: Cross multiply
    752,970.43x = 1,129,216.14 × 247,415.01
  4. Step 4: Simplify right side
    752,970.43x = 279,385,018,335.70
  5. Step 5: Solve for x
    x = 279,385,018,335.70/752,970.43
  6. Step 6: Final answer
    x = 371,043.81

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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.