Home / 1,111,576.32-1,667,398.44-769,685.04

Finding the Fourth Proportional to 1,111,576.32, 1,667,398.44 and 769,685.04

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Solution

The fourth proportional to 1,111,576.32, 1,667,398.44 and 769,685.04 is: 1,154,551.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,576.32 : 1,667,398.44 = 769,685.04 : x
  2. Step 2: Convert to fraction form
    1,111,576.32/1,667,398.44 = 769,685.04/x
  3. Step 3: Cross multiply
    1,111,576.32x = 1,667,398.44 × 769,685.04
  4. Step 4: Simplify right side
    1,111,576.32x = 1,283,371,634,987.34
  5. Step 5: Solve for x
    x = 1,283,371,634,987.34/1,111,576.32
  6. Step 6: Final answer
    x = 1,154,551.07

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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.