Home / 1,913,561.30-2,870,270.19-474,249.48

Finding the Fourth Proportional to 1,913,561.30, 2,870,270.19 and 474,249.48

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Solution

The fourth proportional to 1,913,561.30, 2,870,270.19 and 474,249.48 is: 711,356.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,561.30 : 2,870,270.19 = 474,249.48 : x
  2. Step 2: Convert to fraction form
    1,913,561.30/2,870,270.19 = 474,249.48/x
  3. Step 3: Cross multiply
    1,913,561.30x = 2,870,270.19 × 474,249.48
  4. Step 4: Simplify right side
    1,913,561.30x = 1,361,224,145,067.00
  5. Step 5: Solve for x
    x = 1,361,224,145,067.00/1,913,561.30
  6. Step 6: Final answer
    x = 711,356.44

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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.