Home / 1,113,955.80-1,670,497.80-394,019.29

Finding the Fourth Proportional to 1,113,955.80, 1,670,497.80 and 394,019.29

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Solution

The fourth proportional to 1,113,955.80, 1,670,497.80 and 394,019.29 is: 590,874.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,955.80 : 1,670,497.80 = 394,019.29 : x
  2. Step 2: Convert to fraction form
    1,113,955.80/1,670,497.80 = 394,019.29/x
  3. Step 3: Cross multiply
    1,113,955.80x = 1,670,497.80 × 394,019.29
  4. Step 4: Simplify right side
    1,113,955.80x = 658,208,357,102.56
  5. Step 5: Solve for x
    x = 658,208,357,102.56/1,113,955.80
  6. Step 6: Final answer
    x = 590,874.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.