Home / 1,328,045.60-1,991,809.20-441,581.60

Finding the Fourth Proportional to 1,328,045.60, 1,991,809.20 and 441,581.60

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Solution

The fourth proportional to 1,328,045.60, 1,991,809.20 and 441,581.60 is: 662,286.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,045.60 : 1,991,809.20 = 441,581.60 : x
  2. Step 2: Convert to fraction form
    1,328,045.60/1,991,809.20 = 441,581.60/x
  3. Step 3: Cross multiply
    1,328,045.60x = 1,991,809.20 × 441,581.60
  4. Step 4: Simplify right side
    1,328,045.60x = 879,546,293,430.72
  5. Step 5: Solve for x
    x = 879,546,293,430.72/1,328,045.60
  6. Step 6: Final answer
    x = 662,286.21

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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.