Home / 1,435,799.10-1,981,398.63-791,219.10

Finding the Fourth Proportional to 1,435,799.10, 1,981,398.63 and 791,219.10

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Solution

The fourth proportional to 1,435,799.10, 1,981,398.63 and 791,219.10 is: 1,091,880.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,799.10 : 1,981,398.63 = 791,219.10 : x
  2. Step 2: Convert to fraction form
    1,435,799.10/1,981,398.63 = 791,219.10/x
  3. Step 3: Cross multiply
    1,435,799.10x = 1,981,398.63 × 791,219.10
  4. Step 4: Simplify right side
    1,435,799.10x = 1,567,720,440,769.83
  5. Step 5: Solve for x
    x = 1,567,720,440,769.83/1,435,799.10
  6. Step 6: Final answer
    x = 1,091,880.08

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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.