Home / 774,154.52-1,067,902.37-719,354.28

Finding the Fourth Proportional to 774,154.52, 1,067,902.37 and 719,354.28

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Solution

The fourth proportional to 774,154.52, 1,067,902.37 and 719,354.28 is: 992,308.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,154.52 : 1,067,902.37 = 719,354.28 : x
  2. Step 2: Convert to fraction form
    774,154.52/1,067,902.37 = 719,354.28/x
  3. Step 3: Cross multiply
    774,154.52x = 1,067,902.37 × 719,354.28
  4. Step 4: Simplify right side
    774,154.52x = 768,200,138,887.19
  5. Step 5: Solve for x
    x = 768,200,138,887.19/774,154.52
  6. Step 6: Final answer
    x = 992,308.54

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1.5x scale

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.