Home / 460,427.76-690,575.94-144,876.42

Finding the Fourth Proportional to 460,427.76, 690,575.94 and 144,876.42

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Solution

The fourth proportional to 460,427.76, 690,575.94 and 144,876.42 is: 217,293.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,427.76 : 690,575.94 = 144,876.42 : x
  2. Step 2: Convert to fraction form
    460,427.76/690,575.94 = 144,876.42/x
  3. Step 3: Cross multiply
    460,427.76x = 690,575.94 × 144,876.42
  4. Step 4: Simplify right side
    460,427.76x = 100,048,169,925.34
  5. Step 5: Solve for x
    x = 100,048,169,925.34/460,427.76
  6. Step 6: Final answer
    x = 217,293.96

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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.