Home / 418,529.34-577,567.64-227,542.74

Finding the Fourth Proportional to 418,529.34, 577,567.64 and 227,542.74

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Solution

The fourth proportional to 418,529.34, 577,567.64 and 227,542.74 is: 314,007.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,529.34 : 577,567.64 = 227,542.74 : x
  2. Step 2: Convert to fraction form
    418,529.34/577,567.64 = 227,542.74/x
  3. Step 3: Cross multiply
    418,529.34x = 577,567.64 × 227,542.74
  4. Step 4: Simplify right side
    418,529.34x = 131,421,323,340.93
  5. Step 5: Solve for x
    x = 131,421,323,340.93/418,529.34
  6. Step 6: Final answer
    x = 314,007.43

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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.