Home / 662,882.35-914,751.85-405,190.76

Finding the Fourth Proportional to 662,882.35, 914,751.85 and 405,190.76

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Solution

The fourth proportional to 662,882.35, 914,751.85 and 405,190.76 is: 559,147.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,882.35 : 914,751.85 = 405,190.76 : x
  2. Step 2: Convert to fraction form
    662,882.35/914,751.85 = 405,190.76/x
  3. Step 3: Cross multiply
    662,882.35x = 914,751.85 × 405,190.76
  4. Step 4: Simplify right side
    662,882.35x = 370,648,997,312.91
  5. Step 5: Solve for x
    x = 370,648,997,312.91/662,882.35
  6. Step 6: Final answer
    x = 559,147.48

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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.