Home / 1,397,513.27-2,094,775.19-638,216.94

Finding the Fourth Proportional to 1,397,513.27, 2,094,775.19 and 638,216.94

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Solution

The fourth proportional to 1,397,513.27, 2,094,775.19 and 638,216.94 is: 956,642.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,513.27 : 2,094,775.19 = 638,216.94 : x
  2. Step 2: Convert to fraction form
    1,397,513.27/2,094,775.19 = 638,216.94/x
  3. Step 3: Cross multiply
    1,397,513.27x = 2,094,775.19 × 638,216.94
  4. Step 4: Simplify right side
    1,397,513.27x = 1,336,921,011,749.72
  5. Step 5: Solve for x
    x = 1,336,921,011,749.72/1,397,513.27
  6. Step 6: Final answer
    x = 956,642.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.