Home / 310,746.44-428,825.85-174,780.35

Finding the Fourth Proportional to 310,746.44, 428,825.85 and 174,780.35

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Solution

The fourth proportional to 310,746.44, 428,825.85 and 174,780.35 is: 241,194.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,746.44 : 428,825.85 = 174,780.35 : x
  2. Step 2: Convert to fraction form
    310,746.44/428,825.85 = 174,780.35/x
  3. Step 3: Cross multiply
    310,746.44x = 428,825.85 × 174,780.35
  4. Step 4: Simplify right side
    310,746.44x = 74,950,330,960.59
  5. Step 5: Solve for x
    x = 74,950,330,960.59/310,746.44
  6. Step 6: Final answer
    x = 241,194.49

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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.