Home / 933,993.84-1,288,990.92-526,175.76

Finding the Fourth Proportional to 933,993.84, 1,288,990.92 and 526,175.76

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Solution

The fourth proportional to 933,993.84, 1,288,990.92 and 526,175.76 is: 726,167.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,993.84 : 1,288,990.92 = 526,175.76 : x
  2. Step 2: Convert to fraction form
    933,993.84/1,288,990.92 = 526,175.76/x
  3. Step 3: Cross multiply
    933,993.84x = 1,288,990.92 × 526,175.76
  4. Step 4: Simplify right side
    933,993.84x = 678,235,776,964.10
  5. Step 5: Solve for x
    x = 678,235,776,964.10/933,993.84
  6. Step 6: Final answer
    x = 726,167.29

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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.