Home / 1,142,691.24-1,576,903.80-626,435.73

Finding the Fourth Proportional to 1,142,691.24, 1,576,903.80 and 626,435.73

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Solution

The fourth proportional to 1,142,691.24, 1,576,903.80 and 626,435.73 is: 864,475.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,691.24 : 1,576,903.80 = 626,435.73 : x
  2. Step 2: Convert to fraction form
    1,142,691.24/1,576,903.80 = 626,435.73/x
  3. Step 3: Cross multiply
    1,142,691.24x = 1,576,903.80 × 626,435.73
  4. Step 4: Simplify right side
    1,142,691.24x = 987,828,883,092.77
  5. Step 5: Solve for x
    x = 987,828,883,092.77/1,142,691.24
  6. Step 6: Final answer
    x = 864,475.76

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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.