Home / 1,107,567.80-1,662,129.30-476,934.20

Finding the Fourth Proportional to 1,107,567.80, 1,662,129.30 and 476,934.20

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Solution

The fourth proportional to 1,107,567.80, 1,662,129.30 and 476,934.20 is: 715,736.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,567.80 : 1,662,129.30 = 476,934.20 : x
  2. Step 2: Convert to fraction form
    1,107,567.80/1,662,129.30 = 476,934.20/x
  3. Step 3: Cross multiply
    1,107,567.80x = 1,662,129.30 × 476,934.20
  4. Step 4: Simplify right side
    1,107,567.80x = 792,726,307,992.06
  5. Step 5: Solve for x
    x = 792,726,307,992.06/1,107,567.80
  6. Step 6: Final answer
    x = 715,736.15

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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.