Home / 1,229,635.40-1,697,201.10-837,816.56

Finding the Fourth Proportional to 1,229,635.40, 1,697,201.10 and 837,816.56

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Solution

The fourth proportional to 1,229,635.40, 1,697,201.10 and 837,816.56 is: 1,156,394.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,635.40 : 1,697,201.10 = 837,816.56 : x
  2. Step 2: Convert to fraction form
    1,229,635.40/1,697,201.10 = 837,816.56/x
  3. Step 3: Cross multiply
    1,229,635.40x = 1,697,201.10 × 837,816.56
  4. Step 4: Simplify right side
    1,229,635.40x = 1,421,943,187,230.22
  5. Step 5: Solve for x
    x = 1,421,943,187,230.22/1,229,635.40
  6. Step 6: Final answer
    x = 1,156,394.15

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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.