Home / 671,733.18-928,172.13-536,879.97

Finding the Fourth Proportional to 671,733.18, 928,172.13 and 536,879.97

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Solution

The fourth proportional to 671,733.18, 928,172.13 and 536,879.97 is: 741,837.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,733.18 : 928,172.13 = 536,879.97 : x
  2. Step 2: Convert to fraction form
    671,733.18/928,172.13 = 536,879.97/x
  3. Step 3: Cross multiply
    671,733.18x = 928,172.13 × 536,879.97
  4. Step 4: Simplify right side
    671,733.18x = 498,317,025,309.24
  5. Step 5: Solve for x
    x = 498,317,025,309.24/671,733.18
  6. Step 6: Final answer
    x = 741,837.74

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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.