Home / 1,022,639.82-1,413,793.71-767,548.14

Finding the Fourth Proportional to 1,022,639.82, 1,413,793.71 and 767,548.14

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Solution

The fourth proportional to 1,022,639.82, 1,413,793.71 and 767,548.14 is: 1,061,130.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,639.82 : 1,413,793.71 = 767,548.14 : x
  2. Step 2: Convert to fraction form
    1,022,639.82/1,413,793.71 = 767,548.14/x
  3. Step 3: Cross multiply
    1,022,639.82x = 1,413,793.71 × 767,548.14
  4. Step 4: Simplify right side
    1,022,639.82x = 1,085,154,732,454.20
  5. Step 5: Solve for x
    x = 1,085,154,732,454.20/1,022,639.82
  6. Step 6: Final answer
    x = 1,061,130.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.