Home / 587,783.20-882,135.60-272,279.20

Finding the Fourth Proportional to 587,783.20, 882,135.60 and 272,279.20

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Solution

The fourth proportional to 587,783.20, 882,135.60 and 272,279.20 is: 408,632.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,783.20 : 882,135.60 = 272,279.20 : x
  2. Step 2: Convert to fraction form
    587,783.20/882,135.60 = 272,279.20/x
  3. Step 3: Cross multiply
    587,783.20x = 882,135.60 × 272,279.20
  4. Step 4: Simplify right side
    587,783.20x = 240,187,175,459.52
  5. Step 5: Solve for x
    x = 240,187,175,459.52/587,783.20
  6. Step 6: Final answer
    x = 408,632.26

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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.