Home / 384,434.63-530,517.67-212,364.43

Finding the Fourth Proportional to 384,434.63, 530,517.67 and 212,364.43

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Solution

The fourth proportional to 384,434.63, 530,517.67 and 212,364.43 is: 293,061.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,434.63 : 530,517.67 = 212,364.43 : x
  2. Step 2: Convert to fraction form
    384,434.63/530,517.67 = 212,364.43/x
  3. Step 3: Cross multiply
    384,434.63x = 530,517.67 × 212,364.43
  4. Step 4: Simplify right side
    384,434.63x = 112,663,080,737.27
  5. Step 5: Solve for x
    x = 112,663,080,737.27/384,434.63
  6. Step 6: Final answer
    x = 293,061.74

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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.