Home / 1,186,203.04-1,636,957.24-642,338.82

Finding the Fourth Proportional to 1,186,203.04, 1,636,957.24 and 642,338.82

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Solution

The fourth proportional to 1,186,203.04, 1,636,957.24 and 642,338.82 is: 886,425.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,203.04 : 1,636,957.24 = 642,338.82 : x
  2. Step 2: Convert to fraction form
    1,186,203.04/1,636,957.24 = 642,338.82/x
  3. Step 3: Cross multiply
    1,186,203.04x = 1,636,957.24 × 642,338.82
  4. Step 4: Simplify right side
    1,186,203.04x = 1,051,481,181,932.06
  5. Step 5: Solve for x
    x = 1,051,481,181,932.06/1,186,203.04
  6. Step 6: Final answer
    x = 886,425.97

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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.