Home / 834,777.66-1,251,920.25-355,004.55

Finding the Fourth Proportional to 834,777.66, 1,251,920.25 and 355,004.55

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Solution

The fourth proportional to 834,777.66, 1,251,920.25 and 355,004.55 is: 532,402.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,777.66 : 1,251,920.25 = 355,004.55 : x
  2. Step 2: Convert to fraction form
    834,777.66/1,251,920.25 = 355,004.55/x
  3. Step 3: Cross multiply
    834,777.66x = 1,251,920.25 × 355,004.55
  4. Step 4: Simplify right side
    834,777.66x = 444,437,384,987.14
  5. Step 5: Solve for x
    x = 444,437,384,987.14/834,777.66
  6. Step 6: Final answer
    x = 532,402.11

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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.