Home / 1,393,810.92-1,922,750.76-910,658.88

Finding the Fourth Proportional to 1,393,810.92, 1,922,750.76 and 910,658.88

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Solution

The fourth proportional to 1,393,810.92, 1,922,750.76 and 910,658.88 is: 1,256,246.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,810.92 : 1,922,750.76 = 910,658.88 : x
  2. Step 2: Convert to fraction form
    1,393,810.92/1,922,750.76 = 910,658.88/x
  3. Step 3: Cross multiply
    1,393,810.92x = 1,922,750.76 × 910,658.88
  4. Step 4: Simplify right side
    1,393,810.92x = 1,750,970,053,620.75
  5. Step 5: Solve for x
    x = 1,750,970,053,620.75/1,393,810.92
  6. Step 6: Final answer
    x = 1,256,246.47

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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.