Home / 1,238,545.12-1,709,055.58-694,568.96

Finding the Fourth Proportional to 1,238,545.12, 1,709,055.58 and 694,568.96

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Solution

The fourth proportional to 1,238,545.12, 1,709,055.58 and 694,568.96 is: 958,428.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,545.12 : 1,709,055.58 = 694,568.96 : x
  2. Step 2: Convert to fraction form
    1,238,545.12/1,709,055.58 = 694,568.96/x
  3. Step 3: Cross multiply
    1,238,545.12x = 1,709,055.58 × 694,568.96
  4. Step 4: Simplify right side
    1,238,545.12x = 1,187,056,956,782.80
  5. Step 5: Solve for x
    x = 1,187,056,956,782.80/1,238,545.12
  6. Step 6: Final answer
    x = 958,428.51

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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.