Home / 991,444.44-1,368,189.96-561,806.46

Finding the Fourth Proportional to 991,444.44, 1,368,189.96 and 561,806.46

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Solution

The fourth proportional to 991,444.44, 1,368,189.96 and 561,806.46 is: 775,291.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,444.44 : 1,368,189.96 = 561,806.46 : x
  2. Step 2: Convert to fraction form
    991,444.44/1,368,189.96 = 561,806.46/x
  3. Step 3: Cross multiply
    991,444.44x = 1,368,189.96 × 561,806.46
  4. Step 4: Simplify right side
    991,444.44x = 768,657,958,035.14
  5. Step 5: Solve for x
    x = 768,657,958,035.14/991,444.44
  6. Step 6: Final answer
    x = 775,291.01

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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.