Home / 1,637,269.53-2,259,433.22-912,118.95

Finding the Fourth Proportional to 1,637,269.53, 2,259,433.22 and 912,118.95

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Solution

The fourth proportional to 1,637,269.53, 2,259,433.22 and 912,118.95 is: 1,258,724.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,269.53 : 2,259,433.22 = 912,118.95 : x
  2. Step 2: Convert to fraction form
    1,637,269.53/2,259,433.22 = 912,118.95/x
  3. Step 3: Cross multiply
    1,637,269.53x = 2,259,433.22 × 912,118.95
  4. Step 4: Simplify right side
    1,637,269.53x = 2,060,871,856,221.52
  5. Step 5: Solve for x
    x = 2,060,871,856,221.52/1,637,269.53
  6. Step 6: Final answer
    x = 1,258,724.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.