Home / 440,578.46-661,162.95-282,917.63

Finding the Fourth Proportional to 440,578.46, 661,162.95 and 282,917.63

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Solution

The fourth proportional to 440,578.46, 661,162.95 and 282,917.63 is: 424,566.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,578.46 : 661,162.95 = 282,917.63 : x
  2. Step 2: Convert to fraction form
    440,578.46/661,162.95 = 282,917.63/x
  3. Step 3: Cross multiply
    440,578.46x = 661,162.95 × 282,917.63
  4. Step 4: Simplify right side
    440,578.46x = 187,054,651,551.99
  5. Step 5: Solve for x
    x = 187,054,651,551.99/440,578.46
  6. Step 6: Final answer
    x = 424,566.04

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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.