Home / 1,871,718.40-2,806,195.20-749,209.60

Finding the Fourth Proportional to 1,871,718.40, 2,806,195.20 and 749,209.60

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Solution

The fourth proportional to 1,871,718.40, 2,806,195.20 and 749,209.60 is: 1,123,261.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,718.40 : 2,806,195.20 = 749,209.60 : x
  2. Step 2: Convert to fraction form
    1,871,718.40/2,806,195.20 = 749,209.60/x
  3. Step 3: Cross multiply
    1,871,718.40x = 2,806,195.20 × 749,209.60
  4. Step 4: Simplify right side
    1,871,718.40x = 2,102,428,383,313.92
  5. Step 5: Solve for x
    x = 2,102,428,383,313.92/1,871,718.40
  6. Step 6: Final answer
    x = 1,123,261.05

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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.