Home / 1,185,316.06-1,635,740.22-641,451.72

Finding the Fourth Proportional to 1,185,316.06, 1,635,740.22 and 641,451.72

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Solution

The fourth proportional to 1,185,316.06, 1,635,740.22 and 641,451.72 is: 885,205.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,316.06 : 1,635,740.22 = 641,451.72 : x
  2. Step 2: Convert to fraction form
    1,185,316.06/1,635,740.22 = 641,451.72/x
  3. Step 3: Cross multiply
    1,185,316.06x = 1,635,740.22 × 641,451.72
  4. Step 4: Simplify right side
    1,185,316.06x = 1,049,248,377,592.18
  5. Step 5: Solve for x
    x = 1,049,248,377,592.18/1,185,316.06
  6. Step 6: Final answer
    x = 885,205.57

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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.