Home / 1,238,550.30-1,709,062.72-694,574.14

Finding the Fourth Proportional to 1,238,550.30, 1,709,062.72 and 694,574.14

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Solution

The fourth proportional to 1,238,550.30, 1,709,062.72 and 694,574.14 is: 958,435.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,550.30 : 1,709,062.72 = 694,574.14 : x
  2. Step 2: Convert to fraction form
    1,238,550.30/1,709,062.72 = 694,574.14/x
  3. Step 3: Cross multiply
    1,238,550.30x = 1,709,062.72 × 694,574.14
  4. Step 4: Simplify right side
    1,238,550.30x = 1,187,070,768,950.06
  5. Step 5: Solve for x
    x = 1,187,070,768,950.06/1,238,550.30
  6. Step 6: Final answer
    x = 958,435.66

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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.