Home / 668,815.39-922,964.07-362,891.80

Finding the Fourth Proportional to 668,815.39, 922,964.07 and 362,891.80

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Solution

The fourth proportional to 668,815.39, 922,964.07 and 362,891.80 is: 500,790.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,815.39 : 922,964.07 = 362,891.80 : x
  2. Step 2: Convert to fraction form
    668,815.39/922,964.07 = 362,891.80/x
  3. Step 3: Cross multiply
    668,815.39x = 922,964.07 × 362,891.80
  4. Step 4: Simplify right side
    668,815.39x = 334,936,092,697.63
  5. Step 5: Solve for x
    x = 334,936,092,697.63/668,815.39
  6. Step 6: Final answer
    x = 500,790.05

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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.