Home / 427,817.88-590,393.34-236,834.46

Finding the Fourth Proportional to 427,817.88, 590,393.34 and 236,834.46

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Solution

The fourth proportional to 427,817.88, 590,393.34 and 236,834.46 is: 326,834.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,817.88 : 590,393.34 = 236,834.46 : x
  2. Step 2: Convert to fraction form
    427,817.88/590,393.34 = 236,834.46/x
  3. Step 3: Cross multiply
    427,817.88x = 590,393.34 × 236,834.46
  4. Step 4: Simplify right side
    427,817.88x = 139,825,487,866.50
  5. Step 5: Solve for x
    x = 139,825,487,866.50/427,817.88
  6. Step 6: Final answer
    x = 326,834.14

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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.