Home / 589,705.11-813,768.93-331,574.72

Finding the Fourth Proportional to 589,705.11, 813,768.93 and 331,574.72

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Solution

The fourth proportional to 589,705.11, 813,768.93 and 331,574.72 is: 457,559.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,705.11 : 813,768.93 = 331,574.72 : x
  2. Step 2: Convert to fraction form
    589,705.11/813,768.93 = 331,574.72/x
  3. Step 3: Cross multiply
    589,705.11x = 813,768.93 × 331,574.72
  4. Step 4: Simplify right side
    589,705.11x = 269,825,201,040.61
  5. Step 5: Solve for x
    x = 269,825,201,040.61/589,705.11
  6. Step 6: Final answer
    x = 457,559.54

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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.