Home / 679,149.52-1,018,723.20-180,513.52

Finding the Fourth Proportional to 679,149.52, 1,018,723.20 and 180,513.52

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Solution

The fourth proportional to 679,149.52, 1,018,723.20 and 180,513.52 is: 270,769.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,149.52 : 1,018,723.20 = 180,513.52 : x
  2. Step 2: Convert to fraction form
    679,149.52/1,018,723.20 = 180,513.52/x
  3. Step 3: Cross multiply
    679,149.52x = 1,018,723.20 × 180,513.52
  4. Step 4: Simplify right side
    679,149.52x = 183,893,310,737.66
  5. Step 5: Solve for x
    x = 183,893,310,737.66/679,149.52
  6. Step 6: Final answer
    x = 270,769.99

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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.