Home / 623,811.20-936,154.20-269,079.80

Finding the Fourth Proportional to 623,811.20, 936,154.20 and 269,079.80

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Solution

The fourth proportional to 623,811.20, 936,154.20 and 269,079.80 is: 403,808.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,811.20 : 936,154.20 = 269,079.80 : x
  2. Step 2: Convert to fraction form
    623,811.20/936,154.20 = 269,079.80/x
  3. Step 3: Cross multiply
    623,811.20x = 936,154.20 × 269,079.80
  4. Step 4: Simplify right side
    623,811.20x = 251,900,184,905.16
  5. Step 5: Solve for x
    x = 251,900,184,905.16/623,811.20
  6. Step 6: Final answer
    x = 403,808.37

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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.