Home / 1,115,306.56-1,672,019.40-483,744.72

Finding the Fourth Proportional to 1,115,306.56, 1,672,019.40 and 483,744.72

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Solution

The fourth proportional to 1,115,306.56, 1,672,019.40 and 483,744.72 is: 725,209.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,306.56 : 1,672,019.40 = 483,744.72 : x
  2. Step 2: Convert to fraction form
    1,115,306.56/1,672,019.40 = 483,744.72/x
  3. Step 3: Cross multiply
    1,115,306.56x = 1,672,019.40 × 483,744.72
  4. Step 4: Simplify right side
    1,115,306.56x = 808,830,556,487.57
  5. Step 5: Solve for x
    x = 808,830,556,487.57/1,115,306.56
  6. Step 6: Final answer
    x = 725,209.18

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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.