Home / 1,152,023.40-1,728,035.10-865,866.60

Finding the Fourth Proportional to 1,152,023.40, 1,728,035.10 and 865,866.60

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Solution

The fourth proportional to 1,152,023.40, 1,728,035.10 and 865,866.60 is: 1,298,799.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,023.40 : 1,728,035.10 = 865,866.60 : x
  2. Step 2: Convert to fraction form
    1,152,023.40/1,728,035.10 = 865,866.60/x
  3. Step 3: Cross multiply
    1,152,023.40x = 1,728,035.10 × 865,866.60
  4. Step 4: Simplify right side
    1,152,023.40x = 1,496,247,876,717.66
  5. Step 5: Solve for x
    x = 1,496,247,876,717.66/1,152,023.40
  6. Step 6: Final answer
    x = 1,298,799.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.