Home / 428,532.72-591,312.96-237,546.08

Finding the Fourth Proportional to 428,532.72, 591,312.96 and 237,546.08

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Solution

The fourth proportional to 428,532.72, 591,312.96 and 237,546.08 is: 327,779.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,532.72 : 591,312.96 = 237,546.08 : x
  2. Step 2: Convert to fraction form
    428,532.72/591,312.96 = 237,546.08/x
  3. Step 3: Cross multiply
    428,532.72x = 591,312.96 × 237,546.08
  4. Step 4: Simplify right side
    428,532.72x = 140,464,075,701.20
  5. Step 5: Solve for x
    x = 140,464,075,701.20/428,532.72
  6. Step 6: Final answer
    x = 327,779.11

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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.