Home / 493,675.12-681,271.60-267,320.64

Finding the Fourth Proportional to 493,675.12, 681,271.60 and 267,320.64

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Solution

The fourth proportional to 493,675.12, 681,271.60 and 267,320.64 is: 368,902.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,675.12 : 681,271.60 = 267,320.64 : x
  2. Step 2: Convert to fraction form
    493,675.12/681,271.60 = 267,320.64/x
  3. Step 3: Cross multiply
    493,675.12x = 681,271.60 × 267,320.64
  4. Step 4: Simplify right side
    493,675.12x = 182,117,960,125.82
  5. Step 5: Solve for x
    x = 182,117,960,125.82/493,675.12
  6. Step 6: Final answer
    x = 368,902.45

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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.