Home / 460,334.17-690,501.27-140,487.68

Finding the Fourth Proportional to 460,334.17, 690,501.27 and 140,487.68

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Solution

The fourth proportional to 460,334.17, 690,501.27 and 140,487.68 is: 210,731.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,334.17 : 690,501.27 = 140,487.68 : x
  2. Step 2: Convert to fraction form
    460,334.17/690,501.27 = 140,487.68/x
  3. Step 3: Cross multiply
    460,334.17x = 690,501.27 × 140,487.68
  4. Step 4: Simplify right side
    460,334.17x = 97,006,923,712.44
  5. Step 5: Solve for x
    x = 97,006,923,712.44/460,334.17
  6. Step 6: Final answer
    x = 210,731.53

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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.