Home / 393,531.90-543,154.73-250,264.26

Finding the Fourth Proportional to 393,531.90, 543,154.73 and 250,264.26

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Solution

The fourth proportional to 393,531.90, 543,154.73 and 250,264.26 is: 345,416.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,531.90 : 543,154.73 = 250,264.26 : x
  2. Step 2: Convert to fraction form
    393,531.90/543,154.73 = 250,264.26/x
  3. Step 3: Cross multiply
    393,531.90x = 543,154.73 × 250,264.26
  4. Step 4: Simplify right side
    393,531.90x = 135,932,216,568.95
  5. Step 5: Solve for x
    x = 135,932,216,568.95/393,531.90
  6. Step 6: Final answer
    x = 345,416.00

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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.