Home / 1,637,126.70-2,259,302.88-911,974.20

Finding the Fourth Proportional to 1,637,126.70, 2,259,302.88 and 911,974.20

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Solution

The fourth proportional to 1,637,126.70, 2,259,302.88 and 911,974.20 is: 1,258,562.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,126.70 : 2,259,302.88 = 911,974.20 : x
  2. Step 2: Convert to fraction form
    1,637,126.70/2,259,302.88 = 911,974.20/x
  3. Step 3: Cross multiply
    1,637,126.70x = 2,259,302.88 × 911,974.20
  4. Step 4: Simplify right side
    1,637,126.70x = 2,060,425,936,545.70
  5. Step 5: Solve for x
    x = 2,060,425,936,545.70/1,637,126.70
  6. Step 6: Final answer
    x = 1,258,562.29

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1.5x scale

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.