Home / 1,345,458.86-1,857,183.14-801,765.20

Finding the Fourth Proportional to 1,345,458.86, 1,857,183.14 and 801,765.20

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Solution

The fourth proportional to 1,345,458.86, 1,857,183.14 and 801,765.20 is: 1,106,704.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,458.86 : 1,857,183.14 = 801,765.20 : x
  2. Step 2: Convert to fraction form
    1,345,458.86/1,857,183.14 = 801,765.20/x
  3. Step 3: Cross multiply
    1,345,458.86x = 1,857,183.14 × 801,765.20
  4. Step 4: Simplify right side
    1,345,458.86x = 1,489,024,811,678.73
  5. Step 5: Solve for x
    x = 1,489,024,811,678.73/1,345,458.86
  6. Step 6: Final answer
    x = 1,106,704.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.