Home / 755,459.01-1,042,531.56-415,927.26

Finding the Fourth Proportional to 755,459.01, 1,042,531.56 and 415,927.26

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Solution

The fourth proportional to 755,459.01, 1,042,531.56 and 415,927.26 is: 573,978.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,459.01 : 1,042,531.56 = 415,927.26 : x
  2. Step 2: Convert to fraction form
    755,459.01/1,042,531.56 = 415,927.26/x
  3. Step 3: Cross multiply
    755,459.01x = 1,042,531.56 × 415,927.26
  4. Step 4: Simplify right side
    755,459.01x = 433,617,295,214.33
  5. Step 5: Solve for x
    x = 433,617,295,214.33/755,459.01
  6. Step 6: Final answer
    x = 573,978.59

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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.