Home / 397,590.75-596,577.56-197,928.72

Finding the Fourth Proportional to 397,590.75, 596,577.56 and 197,928.72

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Solution

The fourth proportional to 397,590.75, 596,577.56 and 197,928.72 is: 296,988.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,590.75 : 596,577.56 = 197,928.72 : x
  2. Step 2: Convert to fraction form
    397,590.75/596,577.56 = 197,928.72/x
  3. Step 3: Cross multiply
    397,590.75x = 596,577.56 × 197,928.72
  4. Step 4: Simplify right side
    397,590.75x = 118,079,831,841.88
  5. Step 5: Solve for x
    x = 118,079,831,841.88/397,590.75
  6. Step 6: Final answer
    x = 296,988.38

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1.5x scale

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.