Home / 1,285,454.80-1,928,310.08-476,055.82

Finding the Fourth Proportional to 1,285,454.80, 1,928,310.08 and 476,055.82

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Solution

The fourth proportional to 1,285,454.80, 1,928,310.08 and 476,055.82 is: 714,131.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,454.80 : 1,928,310.08 = 476,055.82 : x
  2. Step 2: Convert to fraction form
    1,285,454.80/1,928,310.08 = 476,055.82/x
  3. Step 3: Cross multiply
    1,285,454.80x = 1,928,310.08 × 476,055.82
  4. Step 4: Simplify right side
    1,285,454.80x = 917,983,236,348.67
  5. Step 5: Solve for x
    x = 917,983,236,348.67/1,285,454.80
  6. Step 6: Final answer
    x = 714,131.09

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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.