Home / 384,743.43-530,929.49-212,652.59

Finding the Fourth Proportional to 384,743.43, 530,929.49 and 212,652.59

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Solution

The fourth proportional to 384,743.43, 530,929.49 and 212,652.59 is: 293,451.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,743.43 : 530,929.49 = 212,652.59 : x
  2. Step 2: Convert to fraction form
    384,743.43/530,929.49 = 212,652.59/x
  3. Step 3: Cross multiply
    384,743.43x = 530,929.49 × 212,652.59
  4. Step 4: Simplify right side
    384,743.43x = 112,903,527,437.97
  5. Step 5: Solve for x
    x = 112,903,527,437.97/384,743.43
  6. Step 6: Final answer
    x = 293,451.48

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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.