Home / 1,241,503.70-1,861,818.15-442,811.30

Finding the Fourth Proportional to 1,241,503.70, 1,861,818.15 and 442,811.30

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Solution

The fourth proportional to 1,241,503.70, 1,861,818.15 and 442,811.30 is: 664,060.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,503.70 : 1,861,818.15 = 442,811.30 : x
  2. Step 2: Convert to fraction form
    1,241,503.70/1,861,818.15 = 442,811.30/x
  3. Step 3: Cross multiply
    1,241,503.70x = 1,861,818.15 × 442,811.30
  4. Step 4: Simplify right side
    1,241,503.70x = 824,434,115,365.10
  5. Step 5: Solve for x
    x = 824,434,115,365.10/1,241,503.70
  6. Step 6: Final answer
    x = 664,060.94

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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.