Home / 644,093.10-966,139.65-454,152.15

Finding the Fourth Proportional to 644,093.10, 966,139.65 and 454,152.15

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Solution

The fourth proportional to 644,093.10, 966,139.65 and 454,152.15 is: 681,228.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,093.10 : 966,139.65 = 454,152.15 : x
  2. Step 2: Convert to fraction form
    644,093.10/966,139.65 = 454,152.15/x
  3. Step 3: Cross multiply
    644,093.10x = 966,139.65 × 454,152.15
  4. Step 4: Simplify right side
    644,093.10x = 438,774,399,247.75
  5. Step 5: Solve for x
    x = 438,774,399,247.75/644,093.10
  6. Step 6: Final answer
    x = 681,228.23

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Similar ratio
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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.