Home / 1,013,135.04-1,517,705.55-823,809.18

Finding the Fourth Proportional to 1,013,135.04, 1,517,705.55 and 823,809.18

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Solution

The fourth proportional to 1,013,135.04, 1,517,705.55 and 823,809.18 is: 1,234,089.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,135.04 : 1,517,705.55 = 823,809.18 : x
  2. Step 2: Convert to fraction form
    1,013,135.04/1,517,705.55 = 823,809.18/x
  3. Step 3: Cross multiply
    1,013,135.04x = 1,517,705.55 × 823,809.18
  4. Step 4: Simplify right side
    1,013,135.04x = 1,250,299,760,507.90
  5. Step 5: Solve for x
    x = 1,250,299,760,507.90/1,013,135.04
  6. Step 6: Final answer
    x = 1,234,089.95

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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.