Home / 347,675.60-521,513.40-264,731.60

Finding the Fourth Proportional to 347,675.60, 521,513.40 and 264,731.60

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Solution

The fourth proportional to 347,675.60, 521,513.40 and 264,731.60 is: 397,097.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,675.60 : 521,513.40 = 264,731.60 : x
  2. Step 2: Convert to fraction form
    347,675.60/521,513.40 = 264,731.60/x
  3. Step 3: Cross multiply
    347,675.60x = 521,513.40 × 264,731.60
  4. Step 4: Simplify right side
    347,675.60x = 138,061,076,803.44
  5. Step 5: Solve for x
    x = 138,061,076,803.44/347,675.60
  6. Step 6: Final answer
    x = 397,097.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.