Home / 826,214.22-1,238,324.71-426,637.17

Finding the Fourth Proportional to 826,214.22, 1,238,324.71 and 426,637.17

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Solution

The fourth proportional to 826,214.22, 1,238,324.71 and 426,637.17 is: 639,441.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,214.22 : 1,238,324.71 = 426,637.17 : x
  2. Step 2: Convert to fraction form
    826,214.22/1,238,324.71 = 426,637.17/x
  3. Step 3: Cross multiply
    826,214.22x = 1,238,324.71 × 426,637.17
  4. Step 4: Simplify right side
    826,214.22x = 528,315,351,844.69
  5. Step 5: Solve for x
    x = 528,315,351,844.69/826,214.22
  6. Step 6: Final answer
    x = 639,441.12

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1.5x scale

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.