Home / 1,439,190-1,986,257.16-835,578

Finding the Fourth Proportional to 1,439,190, 1,986,257.16 and 835,578

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Solution

The fourth proportional to 1,439,190, 1,986,257.16 and 835,578 is: 1,153,199.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,190 : 1,986,257.16 = 835,578 : x
  2. Step 2: Convert to fraction form
    1,439,190/1,986,257.16 = 835,578/x
  3. Step 3: Cross multiply
    1,439,190x = 1,986,257.16 × 835,578
  4. Step 4: Simplify right side
    1,439,190x = 1,659,672,785,238.48
  5. Step 5: Solve for x
    x = 1,659,672,785,238.48/1,439,190
  6. Step 6: Final answer
    x = 1,153,199.22

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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.