Home / 656,221.18-984,413.85-256,810.36

Finding the Fourth Proportional to 656,221.18, 984,413.85 and 256,810.36

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Solution

The fourth proportional to 656,221.18, 984,413.85 and 256,810.36 is: 385,247.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,221.18 : 984,413.85 = 256,810.36 : x
  2. Step 2: Convert to fraction form
    656,221.18/984,413.85 = 256,810.36/x
  3. Step 3: Cross multiply
    656,221.18x = 984,413.85 × 256,810.36
  4. Step 4: Simplify right side
    656,221.18x = 252,807,675,207.49
  5. Step 5: Solve for x
    x = 252,807,675,207.49/656,221.18
  6. Step 6: Final answer
    x = 385,247.66

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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.