Home / 492,322.96-739,869.54-292,679.20

Finding the Fourth Proportional to 492,322.96, 739,869.54 and 292,679.20

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Solution

The fourth proportional to 492,322.96, 739,869.54 and 292,679.20 is: 439,842.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,322.96 : 739,869.54 = 292,679.20 : x
  2. Step 2: Convert to fraction form
    492,322.96/739,869.54 = 292,679.20/x
  3. Step 3: Cross multiply
    492,322.96x = 739,869.54 × 292,679.20
  4. Step 4: Simplify right side
    492,322.96x = 216,544,425,071.57
  5. Step 5: Solve for x
    x = 216,544,425,071.57/492,322.96
  6. Step 6: Final answer
    x = 439,842.22

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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.