Home / 991,243.83-1,367,984.13-561,527.49

Finding the Fourth Proportional to 991,243.83, 1,367,984.13 and 561,527.49

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Solution

The fourth proportional to 991,243.83, 1,367,984.13 and 561,527.49 is: 774,946.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,243.83 : 1,367,984.13 = 561,527.49 : x
  2. Step 2: Convert to fraction form
    991,243.83/1,367,984.13 = 561,527.49/x
  3. Step 3: Cross multiply
    991,243.83x = 1,367,984.13 × 561,527.49
  4. Step 4: Simplify right side
    991,243.83x = 768,160,694,878.73
  5. Step 5: Solve for x
    x = 768,160,694,878.73/991,243.83
  6. Step 6: Final answer
    x = 774,946.26

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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.