Home / 865,860.13-1,194,113.41-543,600.28

Finding the Fourth Proportional to 865,860.13, 1,194,113.41 and 543,600.28

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Solution

The fourth proportional to 865,860.13, 1,194,113.41 and 543,600.28 is: 749,682.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,860.13 : 1,194,113.41 = 543,600.28 : x
  2. Step 2: Convert to fraction form
    865,860.13/1,194,113.41 = 543,600.28/x
  3. Step 3: Cross multiply
    865,860.13x = 1,194,113.41 × 543,600.28
  4. Step 4: Simplify right side
    865,860.13x = 649,120,384,027.76
  5. Step 5: Solve for x
    x = 649,120,384,027.76/865,860.13
  6. Step 6: Final answer
    x = 749,682.73

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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.