Home / 1,427,058.78-2,140,903.05-416,259.83

Finding the Fourth Proportional to 1,427,058.78, 2,140,903.05 and 416,259.83

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Solution

The fourth proportional to 1,427,058.78, 2,140,903.05 and 416,259.83 is: 624,481.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,058.78 : 2,140,903.05 = 416,259.83 : x
  2. Step 2: Convert to fraction form
    1,427,058.78/2,140,903.05 = 416,259.83/x
  3. Step 3: Cross multiply
    1,427,058.78x = 2,140,903.05 × 416,259.83
  4. Step 4: Simplify right side
    1,427,058.78x = 891,171,933,729.65
  5. Step 5: Solve for x
    x = 891,171,933,729.65/1,427,058.78
  6. Step 6: Final answer
    x = 624,481.59

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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.