Home / 928,682.78-1,393,024.47-613,065.87

Finding the Fourth Proportional to 928,682.78, 1,393,024.47 and 613,065.87

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Solution

The fourth proportional to 928,682.78, 1,393,024.47 and 613,065.87 is: 919,599.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,682.78 : 1,393,024.47 = 613,065.87 : x
  2. Step 2: Convert to fraction form
    928,682.78/1,393,024.47 = 613,065.87/x
  3. Step 3: Cross multiply
    928,682.78x = 1,393,024.47 × 613,065.87
  4. Step 4: Simplify right side
    928,682.78x = 854,015,758,631.84
  5. Step 5: Solve for x
    x = 854,015,758,631.84/928,682.78
  6. Step 6: Final answer
    x = 919,599.00

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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.