Home / 755,556.82-1,042,687.09-411,411.60

Finding the Fourth Proportional to 755,556.82, 1,042,687.09 and 411,411.60

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Solution

The fourth proportional to 755,556.82, 1,042,687.09 and 411,411.60 is: 567,758.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,556.82 : 1,042,687.09 = 411,411.60 : x
  2. Step 2: Convert to fraction form
    755,556.82/1,042,687.09 = 411,411.60/x
  3. Step 3: Cross multiply
    755,556.82x = 1,042,687.09 × 411,411.60
  4. Step 4: Simplify right side
    755,556.82x = 428,973,564,510.51
  5. Step 5: Solve for x
    x = 428,973,564,510.51/755,556.82
  6. Step 6: Final answer
    x = 567,758.18

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Double scale
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1.5x scale

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.