Home / 1,135,987.67-1,567,667.39-619,753.16

Finding the Fourth Proportional to 1,135,987.67, 1,567,667.39 and 619,753.16

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Solution

The fourth proportional to 1,135,987.67, 1,567,667.39 and 619,753.16 is: 855,261.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,987.67 : 1,567,667.39 = 619,753.16 : x
  2. Step 2: Convert to fraction form
    1,135,987.67/1,567,667.39 = 619,753.16/x
  3. Step 3: Cross multiply
    1,135,987.67x = 1,567,667.39 × 619,753.16
  4. Step 4: Simplify right side
    1,135,987.67x = 971,566,818,781.45
  5. Step 5: Solve for x
    x = 971,566,818,781.45/1,135,987.67
  6. Step 6: Final answer
    x = 855,261.76

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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.