Home / 1,256,475.33-1,884,713.30-878,135.06

Finding the Fourth Proportional to 1,256,475.33, 1,884,713.30 and 878,135.06

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Solution

The fourth proportional to 1,256,475.33, 1,884,713.30 and 878,135.06 is: 1,317,202.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,475.33 : 1,884,713.30 = 878,135.06 : x
  2. Step 2: Convert to fraction form
    1,256,475.33/1,884,713.30 = 878,135.06/x
  3. Step 3: Cross multiply
    1,256,475.33x = 1,884,713.30 × 878,135.06
  4. Step 4: Simplify right side
    1,256,475.33x = 1,655,032,812,964.06
  5. Step 5: Solve for x
    x = 1,655,032,812,964.06/1,256,475.33
  6. Step 6: Final answer
    x = 1,317,202.79

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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.