Home / 1,971,216.30-2,957,189.49-623,718.12

Finding the Fourth Proportional to 1,971,216.30, 2,957,189.49 and 623,718.12

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Solution

The fourth proportional to 1,971,216.30, 2,957,189.49 and 623,718.12 is: 935,692.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,216.30 : 2,957,189.49 = 623,718.12 : x
  2. Step 2: Convert to fraction form
    1,971,216.30/2,957,189.49 = 623,718.12/x
  3. Step 3: Cross multiply
    1,971,216.30x = 2,957,189.49 × 623,718.12
  4. Step 4: Simplify right side
    1,971,216.30x = 1,844,452,669,186.56
  5. Step 5: Solve for x
    x = 1,844,452,669,186.56/1,971,216.30
  6. Step 6: Final answer
    x = 935,692.68

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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.