Home / 417,688.12-576,410.04-226,701.60

Finding the Fourth Proportional to 417,688.12, 576,410.04 and 226,701.60

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Solution

The fourth proportional to 417,688.12, 576,410.04 and 226,701.60 is: 312,848.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,688.12 : 576,410.04 = 226,701.60 : x
  2. Step 2: Convert to fraction form
    417,688.12/576,410.04 = 226,701.60/x
  3. Step 3: Cross multiply
    417,688.12x = 576,410.04 × 226,701.60
  4. Step 4: Simplify right side
    417,688.12x = 130,673,078,324.06
  5. Step 5: Solve for x
    x = 130,673,078,324.06/417,688.12
  6. Step 6: Final answer
    x = 312,848.44

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1.5x scale

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.