Home / 991,111.13-1,367,617.32-583,123.25

Finding the Fourth Proportional to 991,111.13, 1,367,617.32 and 583,123.25

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Solution

The fourth proportional to 991,111.13, 1,367,617.32 and 583,123.25 is: 804,641.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,111.13 : 1,367,617.32 = 583,123.25 : x
  2. Step 2: Convert to fraction form
    991,111.13/1,367,617.32 = 583,123.25/x
  3. Step 3: Cross multiply
    991,111.13x = 1,367,617.32 × 583,123.25
  4. Step 4: Simplify right side
    991,111.13x = 797,489,449,556.60
  5. Step 5: Solve for x
    x = 797,489,449,556.60/991,111.13
  6. Step 6: Final answer
    x = 804,641.81

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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.