Home / 971,053.80-1,456,578.27-261,081.78

Finding the Fourth Proportional to 971,053.80, 1,456,578.27 and 261,081.78

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Solution

The fourth proportional to 971,053.80, 1,456,578.27 and 261,081.78 is: 391,622.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,053.80 : 1,456,578.27 = 261,081.78 : x
  2. Step 2: Convert to fraction form
    971,053.80/1,456,578.27 = 261,081.78/x
  3. Step 3: Cross multiply
    971,053.80x = 1,456,578.27 × 261,081.78
  4. Step 4: Simplify right side
    971,053.80x = 380,286,047,440.92
  5. Step 5: Solve for x
    x = 380,286,047,440.92/971,053.80
  6. Step 6: Final answer
    x = 391,622.02

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1.5x scale

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.