Home / 1,402,919.76-1,936,028.42-758,339.96

Finding the Fourth Proportional to 1,402,919.76, 1,936,028.42 and 758,339.96

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Solution

The fourth proportional to 1,402,919.76, 1,936,028.42 and 758,339.96 is: 1,046,508.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,919.76 : 1,936,028.42 = 758,339.96 : x
  2. Step 2: Convert to fraction form
    1,402,919.76/1,936,028.42 = 758,339.96/x
  3. Step 3: Cross multiply
    1,402,919.76x = 1,936,028.42 × 758,339.96
  4. Step 4: Simplify right side
    1,402,919.76x = 1,468,167,703,953.60
  5. Step 5: Solve for x
    x = 1,468,167,703,953.60/1,402,919.76
  6. Step 6: Final answer
    x = 1,046,508.68

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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.