Home / 362,823.60-543,976.20-162,980.40

Finding the Fourth Proportional to 362,823.60, 543,976.20 and 162,980.40

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Solution

The fourth proportional to 362,823.60, 543,976.20 and 162,980.40 is: 244,354.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,823.60 : 543,976.20 = 162,980.40 : x
  2. Step 2: Convert to fraction form
    362,823.60/543,976.20 = 162,980.40/x
  3. Step 3: Cross multiply
    362,823.60x = 543,976.20 × 162,980.40
  4. Step 4: Simplify right side
    362,823.60x = 88,657,458,666.48
  5. Step 5: Solve for x
    x = 88,657,458,666.48/362,823.60
  6. Step 6: Final answer
    x = 244,354.17

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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.