Home / 524,982.20-786,935.70-258,332.60

Finding the Fourth Proportional to 524,982.20, 786,935.70 and 258,332.60

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Solution

The fourth proportional to 524,982.20, 786,935.70 and 258,332.60 is: 387,234.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,982.20 : 786,935.70 = 258,332.60 : x
  2. Step 2: Convert to fraction form
    524,982.20/786,935.70 = 258,332.60/x
  3. Step 3: Cross multiply
    524,982.20x = 786,935.70 × 258,332.60
  4. Step 4: Simplify right side
    524,982.20x = 203,291,145,413.82
  5. Step 5: Solve for x
    x = 203,291,145,413.82/524,982.20
  6. Step 6: Final answer
    x = 387,234.36

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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.