Home / 460,229.24-634,572.90-315,105.39

Finding the Fourth Proportional to 460,229.24, 634,572.90 and 315,105.39

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Solution

The fourth proportional to 460,229.24, 634,572.90 and 315,105.39 is: 434,473.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,229.24 : 634,572.90 = 315,105.39 : x
  2. Step 2: Convert to fraction form
    460,229.24/634,572.90 = 315,105.39/x
  3. Step 3: Cross multiply
    460,229.24x = 634,572.90 × 315,105.39
  4. Step 4: Simplify right side
    460,229.24x = 199,957,341,137.93
  5. Step 5: Solve for x
    x = 199,957,341,137.93/460,229.24
  6. Step 6: Final answer
    x = 434,473.36

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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.