Home / 560,820.77-773,903.38-306,122.75

Finding the Fourth Proportional to 560,820.77, 773,903.38 and 306,122.75

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Solution

The fourth proportional to 560,820.77, 773,903.38 and 306,122.75 is: 422,433.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,820.77 : 773,903.38 = 306,122.75 : x
  2. Step 2: Convert to fraction form
    560,820.77/773,903.38 = 306,122.75/x
  3. Step 3: Cross multiply
    560,820.77x = 773,903.38 × 306,122.75
  4. Step 4: Simplify right side
    560,820.77x = 236,909,430,919.90
  5. Step 5: Solve for x
    x = 236,909,430,919.90/560,820.77
  6. Step 6: Final answer
    x = 422,433.41

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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.