Home / 551,631.60-827,447.40-196,657.20

Finding the Fourth Proportional to 551,631.60, 827,447.40 and 196,657.20

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Solution

The fourth proportional to 551,631.60, 827,447.40 and 196,657.20 is: 294,985.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,631.60 : 827,447.40 = 196,657.20 : x
  2. Step 2: Convert to fraction form
    551,631.60/827,447.40 = 196,657.20/x
  3. Step 3: Cross multiply
    551,631.60x = 827,447.40 × 196,657.20
  4. Step 4: Simplify right side
    551,631.60x = 162,723,488,831.28
  5. Step 5: Solve for x
    x = 162,723,488,831.28/551,631.60
  6. Step 6: Final answer
    x = 294,985.80

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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.