Home / 1,028,707.80-1,419,639.63-587,173.46

Finding the Fourth Proportional to 1,028,707.80, 1,419,639.63 and 587,173.46

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Solution

The fourth proportional to 1,028,707.80, 1,419,639.63 and 587,173.46 is: 810,312.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,707.80 : 1,419,639.63 = 587,173.46 : x
  2. Step 2: Convert to fraction form
    1,028,707.80/1,419,639.63 = 587,173.46/x
  3. Step 3: Cross multiply
    1,028,707.80x = 1,419,639.63 × 587,173.46
  4. Step 4: Simplify right side
    1,028,707.80x = 833,574,713,500.22
  5. Step 5: Solve for x
    x = 833,574,713,500.22/1,028,707.80
  6. Step 6: Final answer
    x = 810,312.43

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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.