Home / 991,074.49-1,367,952.92-583,307.13

Finding the Fourth Proportional to 991,074.49, 1,367,952.92 and 583,307.13

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Solution

The fourth proportional to 991,074.49, 1,367,952.92 and 583,307.13 is: 805,122.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,074.49 : 1,367,952.92 = 583,307.13 : x
  2. Step 2: Convert to fraction form
    991,074.49/1,367,952.92 = 583,307.13/x
  3. Step 3: Cross multiply
    991,074.49x = 1,367,952.92 × 583,307.13
  4. Step 4: Simplify right side
    991,074.49x = 797,936,691,740.32
  5. Step 5: Solve for x
    x = 797,936,691,740.32/991,074.49
  6. Step 6: Final answer
    x = 805,122.82

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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.