Home / 428,340.98-591,110.55-237,354.36

Finding the Fourth Proportional to 428,340.98, 591,110.55 and 237,354.36

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Solution

The fourth proportional to 428,340.98, 591,110.55 and 237,354.36 is: 327,549.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,340.98 : 591,110.55 = 237,354.36 : x
  2. Step 2: Convert to fraction form
    428,340.98/591,110.55 = 237,354.36/x
  3. Step 3: Cross multiply
    428,340.98x = 591,110.55 × 237,354.36
  4. Step 4: Simplify right side
    428,340.98x = 140,302,666,284.50
  5. Step 5: Solve for x
    x = 140,302,666,284.50/428,340.98
  6. Step 6: Final answer
    x = 327,549.02

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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.