Home / 428,316.91-591,080.84-237,333.49

Finding the Fourth Proportional to 428,316.91, 591,080.84 and 237,333.49

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Solution

The fourth proportional to 428,316.91, 591,080.84 and 237,333.49 is: 327,522.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,316.91 : 591,080.84 = 237,333.49 : x
  2. Step 2: Convert to fraction form
    428,316.91/591,080.84 = 237,333.49/x
  3. Step 3: Cross multiply
    428,316.91x = 591,080.84 × 237,333.49
  4. Step 4: Simplify right side
    428,316.91x = 140,283,277,442.66
  5. Step 5: Solve for x
    x = 140,283,277,442.66/428,316.91
  6. Step 6: Final answer
    x = 327,522.16

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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.