Home / 1,185,532.62-1,636,034.88-641,668.31

Finding the Fourth Proportional to 1,185,532.62, 1,636,034.88 and 641,668.31

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Solution

The fourth proportional to 1,185,532.62, 1,636,034.88 and 641,668.31 is: 885,502.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,532.62 : 1,636,034.88 = 641,668.31 : x
  2. Step 2: Convert to fraction form
    1,185,532.62/1,636,034.88 = 641,668.31/x
  3. Step 3: Cross multiply
    1,185,532.62x = 1,636,034.88 × 641,668.31
  4. Step 4: Simplify right side
    1,185,532.62x = 1,049,791,728,370.48
  5. Step 5: Solve for x
    x = 1,049,791,728,370.48/1,185,532.62
  6. Step 6: Final answer
    x = 885,502.19

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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.