Home / 1,119,201.80-1,679,458.80-409,301.60

Finding the Fourth Proportional to 1,119,201.80, 1,679,458.80 and 409,301.60

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Solution

The fourth proportional to 1,119,201.80, 1,679,458.80 and 409,301.60 is: 614,192.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,201.80 : 1,679,458.80 = 409,301.60 : x
  2. Step 2: Convert to fraction form
    1,119,201.80/1,679,458.80 = 409,301.60/x
  3. Step 3: Cross multiply
    1,119,201.80x = 1,679,458.80 × 409,301.60
  4. Step 4: Simplify right side
    1,119,201.80x = 687,405,173,974.08
  5. Step 5: Solve for x
    x = 687,405,173,974.08/1,119,201.80
  6. Step 6: Final answer
    x = 614,192.34

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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.