Home / 961,662.16-1,326,646.92-622,239.76

Finding the Fourth Proportional to 961,662.16, 1,326,646.92 and 622,239.76

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Solution

The fourth proportional to 961,662.16, 1,326,646.92 and 622,239.76 is: 858,401.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,662.16 : 1,326,646.92 = 622,239.76 : x
  2. Step 2: Convert to fraction form
    961,662.16/1,326,646.92 = 622,239.76/x
  3. Step 3: Cross multiply
    961,662.16x = 1,326,646.92 × 622,239.76
  4. Step 4: Simplify right side
    961,662.16x = 825,492,461,105.54
  5. Step 5: Solve for x
    x = 825,492,461,105.54/961,662.16
  6. Step 6: Final answer
    x = 858,401.73

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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.