Home / 415,434.29-623,256.51-115,914.74

Finding the Fourth Proportional to 415,434.29, 623,256.51 and 115,914.74

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Solution

The fourth proportional to 415,434.29, 623,256.51 and 115,914.74 is: 173,901.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,434.29 : 623,256.51 = 115,914.74 : x
  2. Step 2: Convert to fraction form
    415,434.29/623,256.51 = 115,914.74/x
  3. Step 3: Cross multiply
    415,434.29x = 623,256.51 × 115,914.74
  4. Step 4: Simplify right side
    415,434.29x = 72,244,616,309.96
  5. Step 5: Solve for x
    x = 72,244,616,309.96/415,434.29
  6. Step 6: Final answer
    x = 173,901.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.