Home / 440,577.46-661,161.45-282,916.63

Finding the Fourth Proportional to 440,577.46, 661,161.45 and 282,916.63

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Solution

The fourth proportional to 440,577.46, 661,161.45 and 282,916.63 is: 424,564.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,577.46 : 661,161.45 = 282,916.63 : x
  2. Step 2: Convert to fraction form
    440,577.46/661,161.45 = 282,916.63/x
  3. Step 3: Cross multiply
    440,577.46x = 661,161.45 × 282,916.63
  4. Step 4: Simplify right side
    440,577.46x = 187,053,566,014.11
  5. Step 5: Solve for x
    x = 187,053,566,014.11/440,577.46
  6. Step 6: Final answer
    x = 424,564.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.