Home / 418,325.03-577,292.19-227,338.40

Finding the Fourth Proportional to 418,325.03, 577,292.19 and 227,338.40

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Solution

The fourth proportional to 418,325.03, 577,292.19 and 227,338.40 is: 313,728.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,325.03 : 577,292.19 = 227,338.40 : x
  2. Step 2: Convert to fraction form
    418,325.03/577,292.19 = 227,338.40/x
  3. Step 3: Cross multiply
    418,325.03x = 577,292.19 × 227,338.40
  4. Step 4: Simplify right side
    418,325.03x = 131,240,682,807.10
  5. Step 5: Solve for x
    x = 131,240,682,807.10/418,325.03
  6. Step 6: Final answer
    x = 313,728.97

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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.