Home / 1,150,116.93-1,587,167.87-666,968.94

Finding the Fourth Proportional to 1,150,116.93, 1,587,167.87 and 666,968.94

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Solution

The fourth proportional to 1,150,116.93, 1,587,167.87 and 666,968.94 is: 920,420.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,116.93 : 1,587,167.87 = 666,968.94 : x
  2. Step 2: Convert to fraction form
    1,150,116.93/1,587,167.87 = 666,968.94/x
  3. Step 3: Cross multiply
    1,150,116.93x = 1,587,167.87 × 666,968.94
  4. Step 4: Simplify right side
    1,150,116.93x = 1,058,591,671,855.96
  5. Step 5: Solve for x
    x = 1,058,591,671,855.96/1,150,116.93
  6. Step 6: Final answer
    x = 920,420.91

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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.