Home / 895,067.71-1,235,219.61-487,195.87

Finding the Fourth Proportional to 895,067.71, 1,235,219.61 and 487,195.87

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Solution

The fourth proportional to 895,067.71, 1,235,219.61 and 487,195.87 is: 672,344.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,067.71 : 1,235,219.61 = 487,195.87 : x
  2. Step 2: Convert to fraction form
    895,067.71/1,235,219.61 = 487,195.87/x
  3. Step 3: Cross multiply
    895,067.71x = 1,235,219.61 × 487,195.87
  4. Step 4: Simplify right side
    895,067.71x = 601,793,892,535.01
  5. Step 5: Solve for x
    x = 601,793,892,535.01/895,067.71
  6. Step 6: Final answer
    x = 672,344.55

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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.