Home / 1,257,699.83-1,883,800.20-972,640.79

Finding the Fourth Proportional to 1,257,699.83, 1,883,800.20 and 972,640.79

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Solution

The fourth proportional to 1,257,699.83, 1,883,800.20 and 972,640.79 is: 1,456,834.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,699.83 : 1,883,800.20 = 972,640.79 : x
  2. Step 2: Convert to fraction form
    1,257,699.83/1,883,800.20 = 972,640.79/x
  3. Step 3: Cross multiply
    1,257,699.83x = 1,883,800.20 × 972,640.79
  4. Step 4: Simplify right side
    1,257,699.83x = 1,832,260,914,730.16
  5. Step 5: Solve for x
    x = 1,832,260,914,730.16/1,257,699.83
  6. Step 6: Final answer
    x = 1,456,834.83

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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.