Home / 885,309.75-1,221,727.46-482,901.75

Finding the Fourth Proportional to 885,309.75, 1,221,727.46 and 482,901.75

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Solution

The fourth proportional to 885,309.75, 1,221,727.46 and 482,901.75 is: 666,404.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,309.75 : 1,221,727.46 = 482,901.75 : x
  2. Step 2: Convert to fraction form
    885,309.75/1,221,727.46 = 482,901.75/x
  3. Step 3: Cross multiply
    885,309.75x = 1,221,727.46 × 482,901.75
  4. Step 4: Simplify right side
    885,309.75x = 589,974,326,042.55
  5. Step 5: Solve for x
    x = 589,974,326,042.55/885,309.75
  6. Step 6: Final answer
    x = 666,404.42

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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.