Home / 971,436.90-1,340,588.78-541,744.23

Finding the Fourth Proportional to 971,436.90, 1,340,588.78 and 541,744.23

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Solution

The fourth proportional to 971,436.90, 1,340,588.78 and 541,744.23 is: 747,610.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,436.90 : 1,340,588.78 = 541,744.23 : x
  2. Step 2: Convert to fraction form
    971,436.90/1,340,588.78 = 541,744.23/x
  3. Step 3: Cross multiply
    971,436.90x = 1,340,588.78 × 541,744.23
  4. Step 4: Simplify right side
    971,436.90x = 726,256,236,367.74
  5. Step 5: Solve for x
    x = 726,256,236,367.74/971,436.90
  6. Step 6: Final answer
    x = 747,610.30

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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.