Home / 654,167.05-902,761.18-359,828.40

Finding the Fourth Proportional to 654,167.05, 902,761.18 and 359,828.40

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Solution

The fourth proportional to 654,167.05, 902,761.18 and 359,828.40 is: 496,569.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,167.05 : 902,761.18 = 359,828.40 : x
  2. Step 2: Convert to fraction form
    654,167.05/902,761.18 = 359,828.40/x
  3. Step 3: Cross multiply
    654,167.05x = 902,761.18 × 359,828.40
  4. Step 4: Simplify right side
    654,167.05x = 324,839,110,081.94
  5. Step 5: Solve for x
    x = 324,839,110,081.94/654,167.05
  6. Step 6: Final answer
    x = 496,569.05

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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.