Home / 591,123.90-886,815.45-191,696.70

Finding the Fourth Proportional to 591,123.90, 886,815.45 and 191,696.70

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Solution

The fourth proportional to 591,123.90, 886,815.45 and 191,696.70 is: 287,587.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,123.90 : 886,815.45 = 191,696.70 : x
  2. Step 2: Convert to fraction form
    591,123.90/886,815.45 = 191,696.70/x
  3. Step 3: Cross multiply
    591,123.90x = 886,815.45 × 191,696.70
  4. Step 4: Simplify right side
    591,123.90x = 169,999,595,274.02
  5. Step 5: Solve for x
    x = 169,999,595,274.02/591,123.90
  6. Step 6: Final answer
    x = 287,587.08

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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.