Home / 1,435,800.60-1,981,400.70-791,220.60

Finding the Fourth Proportional to 1,435,800.60, 1,981,400.70 and 791,220.60

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Solution

The fourth proportional to 1,435,800.60, 1,981,400.70 and 791,220.60 is: 1,091,882.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,800.60 : 1,981,400.70 = 791,220.60 : x
  2. Step 2: Convert to fraction form
    1,435,800.60/1,981,400.70 = 791,220.60/x
  3. Step 3: Cross multiply
    1,435,800.60x = 1,981,400.70 × 791,220.60
  4. Step 4: Simplify right side
    1,435,800.60x = 1,567,725,050,694.42
  5. Step 5: Solve for x
    x = 1,567,725,050,694.42/1,435,800.60
  6. Step 6: Final answer
    x = 1,091,882.15

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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.