Home / 426,116.20-587,971.86-242,335.36

Finding the Fourth Proportional to 426,116.20, 587,971.86 and 242,335.36

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Solution

The fourth proportional to 426,116.20, 587,971.86 and 242,335.36 is: 334,383.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,116.20 : 587,971.86 = 242,335.36 : x
  2. Step 2: Convert to fraction form
    426,116.20/587,971.86 = 242,335.36/x
  3. Step 3: Cross multiply
    426,116.20x = 587,971.86 × 242,335.36
  4. Step 4: Simplify right side
    426,116.20x = 142,486,372,362.97
  5. Step 5: Solve for x
    x = 142,486,372,362.97/426,116.20
  6. Step 6: Final answer
    x = 334,383.84

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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.