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Finding the Fourth Proportional to 1,295,151, 1,787,308.38 and 758,607

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Solution

The fourth proportional to 1,295,151, 1,787,308.38 and 758,607 is: 1,046,877.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,151 : 1,787,308.38 = 758,607 : x
  2. Step 2: Convert to fraction form
    1,295,151/1,787,308.38 = 758,607/x
  3. Step 3: Cross multiply
    1,295,151x = 1,787,308.38 × 758,607
  4. Step 4: Simplify right side
    1,295,151x = 1,355,864,648,226.66
  5. Step 5: Solve for x
    x = 1,355,864,648,226.66/1,295,151
  6. Step 6: Final answer
    x = 1,046,877.66

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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.