Home / 443,464.36-611,979.78-242,261.80

Finding the Fourth Proportional to 443,464.36, 611,979.78 and 242,261.80

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Solution

The fourth proportional to 443,464.36, 611,979.78 and 242,261.80 is: 334,320.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,464.36 : 611,979.78 = 242,261.80 : x
  2. Step 2: Convert to fraction form
    443,464.36/611,979.78 = 242,261.80/x
  3. Step 3: Cross multiply
    443,464.36x = 611,979.78 × 242,261.80
  4. Step 4: Simplify right side
    443,464.36x = 148,259,323,066.40
  5. Step 5: Solve for x
    x = 148,259,323,066.40/443,464.36
  6. Step 6: Final answer
    x = 334,320.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.