Home / 1,241,998.03-1,862,997.05-400,549.78

Finding the Fourth Proportional to 1,241,998.03, 1,862,997.05 and 400,549.78

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Solution

The fourth proportional to 1,241,998.03, 1,862,997.05 and 400,549.78 is: 600,824.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,998.03 : 1,862,997.05 = 400,549.78 : x
  2. Step 2: Convert to fraction form
    1,241,998.03/1,862,997.05 = 400,549.78/x
  3. Step 3: Cross multiply
    1,241,998.03x = 1,862,997.05 × 400,549.78
  4. Step 4: Simplify right side
    1,241,998.03x = 746,223,058,518.15
  5. Step 5: Solve for x
    x = 746,223,058,518.15/1,241,998.03
  6. Step 6: Final answer
    x = 600,824.67

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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.