Home / 556,233.80-834,569.40-219,217.10

Finding the Fourth Proportional to 556,233.80, 834,569.40 and 219,217.10

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Solution

The fourth proportional to 556,233.80, 834,569.40 and 219,217.10 is: 328,911.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,233.80 : 834,569.40 = 219,217.10 : x
  2. Step 2: Convert to fraction form
    556,233.80/834,569.40 = 219,217.10/x
  3. Step 3: Cross multiply
    556,233.80x = 834,569.40 × 219,217.10
  4. Step 4: Simplify right side
    556,233.80x = 182,951,883,616.74
  5. Step 5: Solve for x
    x = 182,951,883,616.74/556,233.80
  6. Step 6: Final answer
    x = 328,911.84

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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.