Home / 1,135,551.80-1,567,062.90-619,306.53

Finding the Fourth Proportional to 1,135,551.80, 1,567,062.90 and 619,306.53

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Solution

The fourth proportional to 1,135,551.80, 1,567,062.90 and 619,306.53 is: 854,643.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,551.80 : 1,567,062.90 = 619,306.53 : x
  2. Step 2: Convert to fraction form
    1,135,551.80/1,567,062.90 = 619,306.53/x
  3. Step 3: Cross multiply
    1,135,551.80x = 1,567,062.90 × 619,306.53
  4. Step 4: Simplify right side
    1,135,551.80x = 970,492,286,890.74
  5. Step 5: Solve for x
    x = 970,492,286,890.74/1,135,551.80
  6. Step 6: Final answer
    x = 854,643.79

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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.