Home / 1,435,660.59-1,981,300.05-791,080.68

Finding the Fourth Proportional to 1,435,660.59, 1,981,300.05 and 791,080.68

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Solution

The fourth proportional to 1,435,660.59, 1,981,300.05 and 791,080.68 is: 1,091,740.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,660.59 : 1,981,300.05 = 791,080.68 : x
  2. Step 2: Convert to fraction form
    1,435,660.59/1,981,300.05 = 791,080.68/x
  3. Step 3: Cross multiply
    1,435,660.59x = 1,981,300.05 × 791,080.68
  4. Step 4: Simplify right side
    1,435,660.59x = 1,567,368,190,838.03
  5. Step 5: Solve for x
    x = 1,567,368,190,838.03/1,435,660.59
  6. Step 6: Final answer
    x = 1,091,740.07

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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.