Home / 460,226.61-634,569.29-315,102.76

Finding the Fourth Proportional to 460,226.61, 634,569.29 and 315,102.76

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Solution

The fourth proportional to 460,226.61, 634,569.29 and 315,102.76 is: 434,469.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,226.61 : 634,569.29 = 315,102.76 : x
  2. Step 2: Convert to fraction form
    460,226.61/634,569.29 = 315,102.76/x
  3. Step 3: Cross multiply
    460,226.61x = 634,569.29 × 315,102.76
  4. Step 4: Simplify right side
    460,226.61x = 199,954,532,709.94
  5. Step 5: Solve for x
    x = 199,954,532,709.94/460,226.61
  6. Step 6: Final answer
    x = 434,469.73

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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.