Home / 1,145,930.21-1,581,291.11-662,526.51

Finding the Fourth Proportional to 1,145,930.21, 1,581,291.11 and 662,526.51

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Solution

The fourth proportional to 1,145,930.21, 1,581,291.11 and 662,526.51 is: 914,233.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,930.21 : 1,581,291.11 = 662,526.51 : x
  2. Step 2: Convert to fraction form
    1,145,930.21/1,581,291.11 = 662,526.51/x
  3. Step 3: Cross multiply
    1,145,930.21x = 1,581,291.11 × 662,526.51
  4. Step 4: Simplify right side
    1,145,930.21x = 1,047,647,280,402.33
  5. Step 5: Solve for x
    x = 1,047,647,280,402.33/1,145,930.21
  6. Step 6: Final answer
    x = 914,233.06

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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.