Home / 1,871,251.20-2,806,876.80-523,411.20

Finding the Fourth Proportional to 1,871,251.20, 2,806,876.80 and 523,411.20

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Solution

The fourth proportional to 1,871,251.20, 2,806,876.80 and 523,411.20 is: 785,116.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,251.20 : 2,806,876.80 = 523,411.20 : x
  2. Step 2: Convert to fraction form
    1,871,251.20/2,806,876.80 = 523,411.20/x
  3. Step 3: Cross multiply
    1,871,251.20x = 2,806,876.80 × 523,411.20
  4. Step 4: Simplify right side
    1,871,251.20x = 1,469,150,754,140.16
  5. Step 5: Solve for x
    x = 1,469,150,754,140.16/1,871,251.20
  6. Step 6: Final answer
    x = 785,116.80

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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.