Home / 384,740.28-530,666.22-270,044.52

Finding the Fourth Proportional to 384,740.28, 530,666.22 and 270,044.52

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Solution

The fourth proportional to 384,740.28, 530,666.22 and 270,044.52 is: 372,468.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,740.28 : 530,666.22 = 270,044.52 : x
  2. Step 2: Convert to fraction form
    384,740.28/530,666.22 = 270,044.52/x
  3. Step 3: Cross multiply
    384,740.28x = 530,666.22 × 270,044.52
  4. Step 4: Simplify right side
    384,740.28x = 143,303,504,660.11
  5. Step 5: Solve for x
    x = 143,303,504,660.11/384,740.28
  6. Step 6: Final answer
    x = 372,468.16

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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.