Home / 1,257,356.34-1,886,080.34-447,800.31

Finding the Fourth Proportional to 1,257,356.34, 1,886,080.34 and 447,800.31

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Solution

The fourth proportional to 1,257,356.34, 1,886,080.34 and 447,800.31 is: 671,716.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,356.34 : 1,886,080.34 = 447,800.31 : x
  2. Step 2: Convert to fraction form
    1,257,356.34/1,886,080.34 = 447,800.31/x
  3. Step 3: Cross multiply
    1,257,356.34x = 1,886,080.34 × 447,800.31
  4. Step 4: Simplify right side
    1,257,356.34x = 844,587,352,626.01
  5. Step 5: Solve for x
    x = 844,587,352,626.01/1,257,356.34
  6. Step 6: Final answer
    x = 671,716.78

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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.