Home / 556,105.89-834,202.59-219,123.21

Finding the Fourth Proportional to 556,105.89, 834,202.59 and 219,123.21

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Solution

The fourth proportional to 556,105.89, 834,202.59 and 219,123.21 is: 328,702.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,105.89 : 834,202.59 = 219,123.21 : x
  2. Step 2: Convert to fraction form
    556,105.89/834,202.59 = 219,123.21/x
  3. Step 3: Cross multiply
    556,105.89x = 834,202.59 × 219,123.21
  4. Step 4: Simplify right side
    556,105.89x = 182,793,149,311.11
  5. Step 5: Solve for x
    x = 182,793,149,311.11/556,105.89
  6. Step 6: Final answer
    x = 328,702.06

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1.5x scale

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.