Home / 805,599.68-1,111,412.92-461,251.58

Finding the Fourth Proportional to 805,599.68, 1,111,412.92 and 461,251.58

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Solution

The fourth proportional to 805,599.68, 1,111,412.92 and 461,251.58 is: 636,347.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,599.68 : 1,111,412.92 = 461,251.58 : x
  2. Step 2: Convert to fraction form
    805,599.68/1,111,412.92 = 461,251.58/x
  3. Step 3: Cross multiply
    805,599.68x = 1,111,412.92 × 461,251.58
  4. Step 4: Simplify right side
    805,599.68x = 512,640,965,382.41
  5. Step 5: Solve for x
    x = 512,640,965,382.41/805,599.68
  6. Step 6: Final answer
    x = 636,347.03

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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.