Home / 1,244,663.40-1,867,916.70-497,245.80

Finding the Fourth Proportional to 1,244,663.40, 1,867,916.70 and 497,245.80

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Solution

The fourth proportional to 1,244,663.40, 1,867,916.70 and 497,245.80 is: 746,236.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,663.40 : 1,867,916.70 = 497,245.80 : x
  2. Step 2: Convert to fraction form
    1,244,663.40/1,867,916.70 = 497,245.80/x
  3. Step 3: Cross multiply
    1,244,663.40x = 1,867,916.70 × 497,245.80
  4. Step 4: Simplify right side
    1,244,663.40x = 928,813,733,824.86
  5. Step 5: Solve for x
    x = 928,813,733,824.86/1,244,663.40
  6. Step 6: Final answer
    x = 746,236.88

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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.