Home / 1,238,515.01-1,709,156.77-694,679.87

Finding the Fourth Proportional to 1,238,515.01, 1,709,156.77 and 694,679.87

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Solution

The fourth proportional to 1,238,515.01, 1,709,156.77 and 694,679.87 is: 958,661.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,515.01 : 1,709,156.77 = 694,679.87 : x
  2. Step 2: Convert to fraction form
    1,238,515.01/1,709,156.77 = 694,679.87/x
  3. Step 3: Cross multiply
    1,238,515.01x = 1,709,156.77 × 694,679.87
  4. Step 4: Simplify right side
    1,238,515.01x = 1,187,316,802,793.22
  5. Step 5: Solve for x
    x = 1,187,316,802,793.22/1,238,515.01
  6. Step 6: Final answer
    x = 958,661.62

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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.