Home / 928,778.31-1,280,527.49-601,513.05

Finding the Fourth Proportional to 928,778.31, 1,280,527.49 and 601,513.05

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Solution

The fourth proportional to 928,778.31, 1,280,527.49 and 601,513.05 is: 829,319.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,778.31 : 1,280,527.49 = 601,513.05 : x
  2. Step 2: Convert to fraction form
    928,778.31/1,280,527.49 = 601,513.05/x
  3. Step 3: Cross multiply
    928,778.31x = 1,280,527.49 × 601,513.05
  4. Step 4: Simplify right side
    928,778.31x = 770,253,996,118.75
  5. Step 5: Solve for x
    x = 770,253,996,118.75/928,778.31
  6. Step 6: Final answer
    x = 829,319.53

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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.