Home / 839,197.76-1,158,078.18-457,227.22

Finding the Fourth Proportional to 839,197.76, 1,158,078.18 and 457,227.22

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Solution

The fourth proportional to 839,197.76, 1,158,078.18 and 457,227.22 is: 630,965.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,197.76 : 1,158,078.18 = 457,227.22 : x
  2. Step 2: Convert to fraction form
    839,197.76/1,158,078.18 = 457,227.22/x
  3. Step 3: Cross multiply
    839,197.76x = 1,158,078.18 × 457,227.22
  4. Step 4: Simplify right side
    839,197.76x = 529,504,866,784.06
  5. Step 5: Solve for x
    x = 529,504,866,784.06/839,197.76
  6. Step 6: Final answer
    x = 630,965.54

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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.