Home / 814,964.28-1,223,250.95-611,853.94

Finding the Fourth Proportional to 814,964.28, 1,223,250.95 and 611,853.94

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Solution

The fourth proportional to 814,964.28, 1,223,250.95 and 611,853.94 is: 918,384.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,964.28 : 1,223,250.95 = 611,853.94 : x
  2. Step 2: Convert to fraction form
    814,964.28/1,223,250.95 = 611,853.94/x
  3. Step 3: Cross multiply
    814,964.28x = 1,223,250.95 × 611,853.94
  4. Step 4: Simplify right side
    814,964.28x = 748,450,913,366.24
  5. Step 5: Solve for x
    x = 748,450,913,366.24/814,964.28
  6. Step 6: Final answer
    x = 918,384.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.