Home / 792,117.36-1,187,701.38-252,140.40

Finding the Fourth Proportional to 792,117.36, 1,187,701.38 and 252,140.40

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Solution

The fourth proportional to 792,117.36, 1,187,701.38 and 252,140.40 is: 378,059.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,117.36 : 1,187,701.38 = 252,140.40 : x
  2. Step 2: Convert to fraction form
    792,117.36/1,187,701.38 = 252,140.40/x
  3. Step 3: Cross multiply
    792,117.36x = 1,187,701.38 × 252,140.40
  4. Step 4: Simplify right side
    792,117.36x = 299,467,501,033.75
  5. Step 5: Solve for x
    x = 299,467,501,033.75/792,117.36
  6. Step 6: Final answer
    x = 378,059.51

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Double scale
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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.