Home / 1,238,543.12-1,709,052.83-694,566.96

Finding the Fourth Proportional to 1,238,543.12, 1,709,052.83 and 694,566.96

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Solution

The fourth proportional to 1,238,543.12, 1,709,052.83 and 694,566.96 is: 958,425.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,543.12 : 1,709,052.83 = 694,566.96 : x
  2. Step 2: Convert to fraction form
    1,238,543.12/1,709,052.83 = 694,566.96/x
  3. Step 3: Cross multiply
    1,238,543.12x = 1,709,052.83 × 694,566.96
  4. Step 4: Simplify right side
    1,238,543.12x = 1,187,051,625,139.66
  5. Step 5: Solve for x
    x = 1,187,051,625,139.66/1,238,543.12
  6. Step 6: Final answer
    x = 958,425.76

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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.