Home / 526,487.86-789,731.18-171,501.31

Finding the Fourth Proportional to 526,487.86, 789,731.18 and 171,501.31

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Solution

The fourth proportional to 526,487.86, 789,731.18 and 171,501.31 is: 257,251.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,487.86 : 789,731.18 = 171,501.31 : x
  2. Step 2: Convert to fraction form
    526,487.86/789,731.18 = 171,501.31/x
  3. Step 3: Cross multiply
    526,487.86x = 789,731.18 × 171,501.31
  4. Step 4: Simplify right side
    526,487.86x = 135,439,931,917.85
  5. Step 5: Solve for x
    x = 135,439,931,917.85/526,487.86
  6. Step 6: Final answer
    x = 257,251.77

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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.