Home / 929,684.28-1,394,342.80-255,591.74

Finding the Fourth Proportional to 929,684.28, 1,394,342.80 and 255,591.74

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Solution

The fourth proportional to 929,684.28, 1,394,342.80 and 255,591.74 is: 383,337.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,684.28 : 1,394,342.80 = 255,591.74 : x
  2. Step 2: Convert to fraction form
    929,684.28/1,394,342.80 = 255,591.74/x
  3. Step 3: Cross multiply
    929,684.28x = 1,394,342.80 × 255,591.74
  4. Step 4: Simplify right side
    929,684.28x = 356,382,502,408.47
  5. Step 5: Solve for x
    x = 356,382,502,408.47/929,684.28
  6. Step 6: Final answer
    x = 383,337.13

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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.