Home / 1,091,653-1,635,669.22-663,894.96

Finding the Fourth Proportional to 1,091,653, 1,635,669.22 and 663,894.96

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Solution

The fourth proportional to 1,091,653, 1,635,669.22 and 663,894.96 is: 994,741.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,653 : 1,635,669.22 = 663,894.96 : x
  2. Step 2: Convert to fraction form
    1,091,653/1,635,669.22 = 663,894.96/x
  3. Step 3: Cross multiply
    1,091,653x = 1,635,669.22 × 663,894.96
  4. Step 4: Simplify right side
    1,091,653x = 1,085,912,551,385.13
  5. Step 5: Solve for x
    x = 1,085,912,551,385.13/1,091,653
  6. Step 6: Final answer
    x = 994,741.51

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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.