Home / 1,006,098.72-1,388,415.21-576,380.55

Finding the Fourth Proportional to 1,006,098.72, 1,388,415.21 and 576,380.55

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Solution

The fourth proportional to 1,006,098.72, 1,388,415.21 and 576,380.55 is: 795,404.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,098.72 : 1,388,415.21 = 576,380.55 : x
  2. Step 2: Convert to fraction form
    1,006,098.72/1,388,415.21 = 576,380.55/x
  3. Step 3: Cross multiply
    1,006,098.72x = 1,388,415.21 × 576,380.55
  4. Step 4: Simplify right side
    1,006,098.72x = 800,255,522,368.17
  5. Step 5: Solve for x
    x = 800,255,522,368.17/1,006,098.72
  6. Step 6: Final answer
    x = 795,404.57

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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.