Home / 526,911.37-790,369.10-127,551.49

Finding the Fourth Proportional to 526,911.37, 790,369.10 and 127,551.49

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Solution

The fourth proportional to 526,911.37, 790,369.10 and 127,551.49 is: 191,327.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,911.37 : 790,369.10 = 127,551.49 : x
  2. Step 2: Convert to fraction form
    526,911.37/790,369.10 = 127,551.49/x
  3. Step 3: Cross multiply
    526,911.37x = 790,369.10 × 127,551.49
  4. Step 4: Simplify right side
    526,911.37x = 100,812,756,354.96
  5. Step 5: Solve for x
    x = 100,812,756,354.96/526,911.37
  6. Step 6: Final answer
    x = 191,327.73

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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.