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Finding the Fourth Proportional to 1,583,998.74, 2,185,904.88 and 895,805.72

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Solution

The fourth proportional to 1,583,998.74, 2,185,904.88 and 895,805.72 is: 1,236,204.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,583,998.74 : 2,185,904.88 = 895,805.72 : x
  2. Step 2: Convert to fraction form
    1,583,998.74/2,185,904.88 = 895,805.72/x
  3. Step 3: Cross multiply
    1,583,998.74x = 2,185,904.88 × 895,805.72
  4. Step 4: Simplify right side
    1,583,998.74x = 1,958,146,094,879.91
  5. Step 5: Solve for x
    x = 1,958,146,094,879.91/1,583,998.74
  6. Step 6: Final answer
    x = 1,236,204.33

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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.