Home / 1,117,218.60-1,675,827.90-443,460.60

Finding the Fourth Proportional to 1,117,218.60, 1,675,827.90 and 443,460.60

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Solution

The fourth proportional to 1,117,218.60, 1,675,827.90 and 443,460.60 is: 665,190.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,218.60 : 1,675,827.90 = 443,460.60 : x
  2. Step 2: Convert to fraction form
    1,117,218.60/1,675,827.90 = 443,460.60/x
  3. Step 3: Cross multiply
    1,117,218.60x = 1,675,827.90 × 443,460.60
  4. Step 4: Simplify right side
    1,117,218.60x = 743,163,646,030.74
  5. Step 5: Solve for x
    x = 743,163,646,030.74/1,117,218.60
  6. Step 6: Final answer
    x = 665,190.90

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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.