Home / 355,331.20-532,996.80-236,358.40

Finding the Fourth Proportional to 355,331.20, 532,996.80 and 236,358.40

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Solution

The fourth proportional to 355,331.20, 532,996.80 and 236,358.40 is: 354,537.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,331.20 : 532,996.80 = 236,358.40 : x
  2. Step 2: Convert to fraction form
    355,331.20/532,996.80 = 236,358.40/x
  3. Step 3: Cross multiply
    355,331.20x = 532,996.80 × 236,358.40
  4. Step 4: Simplify right side
    355,331.20x = 125,978,270,853.12
  5. Step 5: Solve for x
    x = 125,978,270,853.12/355,331.20
  6. Step 6: Final answer
    x = 354,537.60

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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.