Home / 1,857,647.76-2,786,871.57-578,228.05

Finding the Fourth Proportional to 1,857,647.76, 2,786,871.57 and 578,228.05

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Solution

The fourth proportional to 1,857,647.76, 2,786,871.57 and 578,228.05 is: 867,466.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857,647.76 : 2,786,871.57 = 578,228.05 : x
  2. Step 2: Convert to fraction form
    1,857,647.76/2,786,871.57 = 578,228.05/x
  3. Step 3: Cross multiply
    1,857,647.76x = 2,786,871.57 × 578,228.05
  4. Step 4: Simplify right side
    1,857,647.76x = 1,611,447,313,521.54
  5. Step 5: Solve for x
    x = 1,611,447,313,521.54/1,857,647.76
  6. Step 6: Final answer
    x = 867,466.56

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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.