Home / 662,956.80-914,856.19-405,265.33

Finding the Fourth Proportional to 662,956.80, 914,856.19 and 405,265.33

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Solution

The fourth proportional to 662,956.80, 914,856.19 and 405,265.33 is: 559,251.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,956.80 : 914,856.19 = 405,265.33 : x
  2. Step 2: Convert to fraction form
    662,956.80/914,856.19 = 405,265.33/x
  3. Step 3: Cross multiply
    662,956.80x = 914,856.19 × 405,265.33
  4. Step 4: Simplify right side
    662,956.80x = 370,759,495,742.89
  5. Step 5: Solve for x
    x = 370,759,495,742.89/662,956.80
  6. Step 6: Final answer
    x = 559,251.37

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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.