Home / 999,252.81-1,498,664.46-316,193.79

Finding the Fourth Proportional to 999,252.81, 1,498,664.46 and 316,193.79

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Solution

The fourth proportional to 999,252.81, 1,498,664.46 and 316,193.79 is: 474,222.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,252.81 : 1,498,664.46 = 316,193.79 : x
  2. Step 2: Convert to fraction form
    999,252.81/1,498,664.46 = 316,193.79/x
  3. Step 3: Cross multiply
    999,252.81x = 1,498,664.46 × 316,193.79
  4. Step 4: Simplify right side
    999,252.81x = 473,868,395,545.70
  5. Step 5: Solve for x
    x = 473,868,395,545.70/999,252.81
  6. Step 6: Final answer
    x = 474,222.73

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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.