Home / 928,270.80-1,280,899.17-565,562.52

Finding the Fourth Proportional to 928,270.80, 1,280,899.17 and 565,562.52

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Solution

The fourth proportional to 928,270.80, 1,280,899.17 and 565,562.52 is: 780,406.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,270.80 : 1,280,899.17 = 565,562.52 : x
  2. Step 2: Convert to fraction form
    928,270.80/1,280,899.17 = 565,562.52/x
  3. Step 3: Cross multiply
    928,270.80x = 1,280,899.17 × 565,562.52
  4. Step 4: Simplify right side
    928,270.80x = 724,428,562,451.11
  5. Step 5: Solve for x
    x = 724,428,562,451.11/928,270.80
  6. Step 6: Final answer
    x = 780,406.50

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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.