Home / 469,781.13-648,299.67-254,921.18

Finding the Fourth Proportional to 469,781.13, 648,299.67 and 254,921.18

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Solution

The fourth proportional to 469,781.13, 648,299.67 and 254,921.18 is: 351,792.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,781.13 : 648,299.67 = 254,921.18 : x
  2. Step 2: Convert to fraction form
    469,781.13/648,299.67 = 254,921.18/x
  3. Step 3: Cross multiply
    469,781.13x = 648,299.67 × 254,921.18
  4. Step 4: Simplify right side
    469,781.13x = 165,265,319,446.71
  5. Step 5: Solve for x
    x = 165,265,319,446.71/469,781.13
  6. Step 6: Final answer
    x = 351,792.16

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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.