Home / 755,185.06-1,042,133.61-415,646.02

Finding the Fourth Proportional to 755,185.06, 1,042,133.61 and 415,646.02

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Solution

The fourth proportional to 755,185.06, 1,042,133.61 and 415,646.02 is: 573,579.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,185.06 : 1,042,133.61 = 415,646.02 : x
  2. Step 2: Convert to fraction form
    755,185.06/1,042,133.61 = 415,646.02/x
  3. Step 3: Cross multiply
    755,185.06x = 1,042,133.61 × 415,646.02
  4. Step 4: Simplify right side
    755,185.06x = 433,158,687,304.73
  5. Step 5: Solve for x
    x = 433,158,687,304.73/755,185.06
  6. Step 6: Final answer
    x = 573,579.52

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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.