Home / 1,132,918.60-1,563,299.40-667,742.08

Finding the Fourth Proportional to 1,132,918.60, 1,563,299.40 and 667,742.08

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Solution

The fourth proportional to 1,132,918.60, 1,563,299.40 and 667,742.08 is: 921,408.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,918.60 : 1,563,299.40 = 667,742.08 : x
  2. Step 2: Convert to fraction form
    1,132,918.60/1,563,299.40 = 667,742.08/x
  3. Step 3: Cross multiply
    1,132,918.60x = 1,563,299.40 × 667,742.08
  4. Step 4: Simplify right side
    1,132,918.60x = 1,043,880,793,018.75
  5. Step 5: Solve for x
    x = 1,043,880,793,018.75/1,132,918.60
  6. Step 6: Final answer
    x = 921,408.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.