Home / 809,287.71-1,116,817.10-446,711.66

Finding the Fourth Proportional to 809,287.71, 1,116,817.10 and 446,711.66

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Solution

The fourth proportional to 809,287.71, 1,116,817.10 and 446,711.66 is: 616,462.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,287.71 : 1,116,817.10 = 446,711.66 : x
  2. Step 2: Convert to fraction form
    809,287.71/1,116,817.10 = 446,711.66/x
  3. Step 3: Cross multiply
    809,287.71x = 1,116,817.10 × 446,711.66
  4. Step 4: Simplify right side
    809,287.71x = 498,895,212,839.74
  5. Step 5: Solve for x
    x = 498,895,212,839.74/809,287.71
  6. Step 6: Final answer
    x = 616,462.11

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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.