Home / 566,837.44-782,271.20-312,188.56

Finding the Fourth Proportional to 566,837.44, 782,271.20 and 312,188.56

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Solution

The fourth proportional to 566,837.44, 782,271.20 and 312,188.56 is: 430,839.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,837.44 : 782,271.20 = 312,188.56 : x
  2. Step 2: Convert to fraction form
    566,837.44/782,271.20 = 312,188.56/x
  3. Step 3: Cross multiply
    566,837.44x = 782,271.20 × 312,188.56
  4. Step 4: Simplify right side
    566,837.44x = 244,216,119,457.47
  5. Step 5: Solve for x
    x = 244,216,119,457.47/566,837.44
  6. Step 6: Final answer
    x = 430,839.78

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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.