Home / 1,185,267.39-1,635,656.54-641,391.27

Finding the Fourth Proportional to 1,185,267.39, 1,635,656.54 and 641,391.27

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Solution

The fourth proportional to 1,185,267.39, 1,635,656.54 and 641,391.27 is: 885,113.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,267.39 : 1,635,656.54 = 641,391.27 : x
  2. Step 2: Convert to fraction form
    1,185,267.39/1,635,656.54 = 641,391.27/x
  3. Step 3: Cross multiply
    1,185,267.39x = 1,635,656.54 × 641,391.27
  4. Step 4: Simplify right side
    1,185,267.39x = 1,049,095,822,267.45
  5. Step 5: Solve for x
    x = 1,049,095,822,267.45/1,185,267.39
  6. Step 6: Final answer
    x = 885,113.21

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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.