Home / 630,351.35-945,535.38-198,054.77

Finding the Fourth Proportional to 630,351.35, 945,535.38 and 198,054.77

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Solution

The fourth proportional to 630,351.35, 945,535.38 and 198,054.77 is: 297,084.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,351.35 : 945,535.38 = 198,054.77 : x
  2. Step 2: Convert to fraction form
    630,351.35/945,535.38 = 198,054.77/x
  3. Step 3: Cross multiply
    630,351.35x = 945,535.38 × 198,054.77
  4. Step 4: Simplify right side
    630,351.35x = 187,267,792,212.76
  5. Step 5: Solve for x
    x = 187,267,792,212.76/630,351.35
  6. Step 6: Final answer
    x = 297,084.78

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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.