Home / 784,830.57-1,083,086.91-440,693.97

Finding the Fourth Proportional to 784,830.57, 1,083,086.91 and 440,693.97

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Solution

The fourth proportional to 784,830.57, 1,083,086.91 and 440,693.97 is: 608,169.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,830.57 : 1,083,086.91 = 440,693.97 : x
  2. Step 2: Convert to fraction form
    784,830.57/1,083,086.91 = 440,693.97/x
  3. Step 3: Cross multiply
    784,830.57x = 1,083,086.91 × 440,693.97
  4. Step 4: Simplify right side
    784,830.57x = 477,309,870,222.93
  5. Step 5: Solve for x
    x = 477,309,870,222.93/784,830.57
  6. Step 6: Final answer
    x = 608,169.32

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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.