Home / 1,511,565.32-2,085,597.84-858,045.98

Finding the Fourth Proportional to 1,511,565.32, 2,085,597.84 and 858,045.98

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Solution

The fourth proportional to 1,511,565.32, 2,085,597.84 and 858,045.98 is: 1,183,897.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,565.32 : 2,085,597.84 = 858,045.98 : x
  2. Step 2: Convert to fraction form
    1,511,565.32/2,085,597.84 = 858,045.98/x
  3. Step 3: Cross multiply
    1,511,565.32x = 2,085,597.84 × 858,045.98
  4. Step 4: Simplify right side
    1,511,565.32x = 1,789,538,842,508.68
  5. Step 5: Solve for x
    x = 1,789,538,842,508.68/1,511,565.32
  6. Step 6: Final answer
    x = 1,183,897.79

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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.