Home / 1,243,250.56-1,715,565.45-699,574.51

Finding the Fourth Proportional to 1,243,250.56, 1,715,565.45 and 699,574.51

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Solution

The fourth proportional to 1,243,250.56, 1,715,565.45 and 699,574.51 is: 965,345.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,250.56 : 1,715,565.45 = 699,574.51 : x
  2. Step 2: Convert to fraction form
    1,243,250.56/1,715,565.45 = 699,574.51/x
  3. Step 3: Cross multiply
    1,243,250.56x = 1,715,565.45 × 699,574.51
  4. Step 4: Simplify right side
    1,243,250.56x = 1,200,165,859,056.68
  5. Step 5: Solve for x
    x = 1,200,165,859,056.68/1,243,250.56
  6. Step 6: Final answer
    x = 965,345.12

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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.