Home / 832,489.13-1,148,711.89-488,195.19

Finding the Fourth Proportional to 832,489.13, 1,148,711.89 and 488,195.19

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Solution

The fourth proportional to 832,489.13, 1,148,711.89 and 488,195.19 is: 673,637.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,489.13 : 1,148,711.89 = 488,195.19 : x
  2. Step 2: Convert to fraction form
    832,489.13/1,148,711.89 = 488,195.19/x
  3. Step 3: Cross multiply
    832,489.13x = 1,148,711.89 × 488,195.19
  4. Step 4: Simplify right side
    832,489.13x = 560,795,619,393.81
  5. Step 5: Solve for x
    x = 560,795,619,393.81/832,489.13
  6. Step 6: Final answer
    x = 673,637.17

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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.