Home / 739,079.56-1,107,491.50-384,208.84

Finding the Fourth Proportional to 739,079.56, 1,107,491.50 and 384,208.84

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Solution

The fourth proportional to 739,079.56, 1,107,491.50 and 384,208.84 is: 575,726.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,079.56 : 1,107,491.50 = 384,208.84 : x
  2. Step 2: Convert to fraction form
    739,079.56/1,107,491.50 = 384,208.84/x
  3. Step 3: Cross multiply
    739,079.56x = 1,107,491.50 × 384,208.84
  4. Step 4: Simplify right side
    739,079.56x = 425,508,024,524.86
  5. Step 5: Solve for x
    x = 425,508,024,524.86/739,079.56
  6. Step 6: Final answer
    x = 575,726.95

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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.