Home / 971,114.62-1,340,139.99-541,386.13

Finding the Fourth Proportional to 971,114.62, 1,340,139.99 and 541,386.13

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Solution

The fourth proportional to 971,114.62, 1,340,139.99 and 541,386.13 is: 747,113.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,114.62 : 1,340,139.99 = 541,386.13 : x
  2. Step 2: Convert to fraction form
    971,114.62/1,340,139.99 = 541,386.13/x
  3. Step 3: Cross multiply
    971,114.62x = 1,340,139.99 × 541,386.13
  4. Step 4: Simplify right side
    971,114.62x = 725,533,202,844.34
  5. Step 5: Solve for x
    x = 725,533,202,844.34/971,114.62
  6. Step 6: Final answer
    x = 747,113.87

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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.