Home / 3,391,444.60-5,087,166.90-866,966.20

Finding the Fourth Proportional to 3,391,444.60, 5,087,166.90 and 866,966.20

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Solution

The fourth proportional to 3,391,444.60, 5,087,166.90 and 866,966.20 is: 1,300,449.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391,444.60 : 5,087,166.90 = 866,966.20 : x
  2. Step 2: Convert to fraction form
    3,391,444.60/5,087,166.90 = 866,966.20/x
  3. Step 3: Cross multiply
    3,391,444.60x = 5,087,166.90 × 866,966.20
  4. Step 4: Simplify right side
    3,391,444.60x = 4,410,401,756,058.78
  5. Step 5: Solve for x
    x = 4,410,401,756,058.78/3,391,444.60
  6. Step 6: Final answer
    x = 1,300,449.30

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Double scale
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Similar ratio
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1.5x scale

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.