Home / 784,723.01-1,083,246.82-530,418.65

Finding the Fourth Proportional to 784,723.01, 1,083,246.82 and 530,418.65

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Solution

The fourth proportional to 784,723.01, 1,083,246.82 and 530,418.65 is: 732,200.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,723.01 : 1,083,246.82 = 530,418.65 : x
  2. Step 2: Convert to fraction form
    784,723.01/1,083,246.82 = 530,418.65/x
  3. Step 3: Cross multiply
    784,723.01x = 1,083,246.82 × 530,418.65
  4. Step 4: Simplify right side
    784,723.01x = 574,574,309,138.91
  5. Step 5: Solve for x
    x = 574,574,309,138.91/784,723.01
  6. Step 6: Final answer
    x = 732,200.16

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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.