Home / 753,364.23-1,039,651.06-443,335.36

Finding the Fourth Proportional to 753,364.23, 1,039,651.06 and 443,335.36

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Solution

The fourth proportional to 753,364.23, 1,039,651.06 and 443,335.36 is: 611,807.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,364.23 : 1,039,651.06 = 443,335.36 : x
  2. Step 2: Convert to fraction form
    753,364.23/1,039,651.06 = 443,335.36/x
  3. Step 3: Cross multiply
    753,364.23x = 1,039,651.06 × 443,335.36
  4. Step 4: Simplify right side
    753,364.23x = 460,914,074,785.73
  5. Step 5: Solve for x
    x = 460,914,074,785.73/753,364.23
  6. Step 6: Final answer
    x = 611,807.75

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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.