Home / 991,580.56-1,367,994.84-734,073.88

Finding the Fourth Proportional to 991,580.56, 1,367,994.84 and 734,073.88

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Solution

The fourth proportional to 991,580.56, 1,367,994.84 and 734,073.88 is: 1,012,735.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,580.56 : 1,367,994.84 = 734,073.88 : x
  2. Step 2: Convert to fraction form
    991,580.56/1,367,994.84 = 734,073.88/x
  3. Step 3: Cross multiply
    991,580.56x = 1,367,994.84 × 734,073.88
  4. Step 4: Simplify right side
    991,580.56x = 1,004,209,280,018.78
  5. Step 5: Solve for x
    x = 1,004,209,280,018.78/991,580.56
  6. Step 6: Final answer
    x = 1,012,735.95

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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.