Home / 1,318,019.56-1,976,641.79-559,855

Finding the Fourth Proportional to 1,318,019.56, 1,976,641.79 and 559,855

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Solution

The fourth proportional to 1,318,019.56, 1,976,641.79 and 559,855 is: 839,617.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,019.56 : 1,976,641.79 = 559,855 : x
  2. Step 2: Convert to fraction form
    1,318,019.56/1,976,641.79 = 559,855/x
  3. Step 3: Cross multiply
    1,318,019.56x = 1,976,641.79 × 559,855
  4. Step 4: Simplify right side
    1,318,019.56x = 1,106,632,789,340.45
  5. Step 5: Solve for x
    x = 1,106,632,789,340.45/1,318,019.56
  6. Step 6: Final answer
    x = 839,617.88

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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.