Home / 805,162.97-1,111,127.20-461,004.18

Finding the Fourth Proportional to 805,162.97, 1,111,127.20 and 461,004.18

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Solution

The fourth proportional to 805,162.97, 1,111,127.20 and 461,004.18 is: 636,187.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,162.97 : 1,111,127.20 = 461,004.18 : x
  2. Step 2: Convert to fraction form
    805,162.97/1,111,127.20 = 461,004.18/x
  3. Step 3: Cross multiply
    805,162.97x = 1,111,127.20 × 461,004.18
  4. Step 4: Simplify right side
    805,162.97x = 512,234,278,392.46
  5. Step 5: Solve for x
    x = 512,234,278,392.46/805,162.97
  6. Step 6: Final answer
    x = 636,187.08

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1.5x scale

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.