Home / 1,053,902.84-1,581,105.72-343,932.20

Finding the Fourth Proportional to 1,053,902.84, 1,581,105.72 and 343,932.20

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Solution

The fourth proportional to 1,053,902.84, 1,581,105.72 and 343,932.20 is: 515,980.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,902.84 : 1,581,105.72 = 343,932.20 : x
  2. Step 2: Convert to fraction form
    1,053,902.84/1,581,105.72 = 343,932.20/x
  3. Step 3: Cross multiply
    1,053,902.84x = 1,581,105.72 × 343,932.20
  4. Step 4: Simplify right side
    1,053,902.84x = 543,793,168,712.18
  5. Step 5: Solve for x
    x = 543,793,168,712.18/1,053,902.84
  6. Step 6: Final answer
    x = 515,980.36

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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.