Home / 784,729.01-1,083,255.12-530,424.65

Finding the Fourth Proportional to 784,729.01, 1,083,255.12 and 530,424.65

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Solution

The fourth proportional to 784,729.01, 1,083,255.12 and 530,424.65 is: 732,208.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,729.01 : 1,083,255.12 = 530,424.65 : x
  2. Step 2: Convert to fraction form
    784,729.01/1,083,255.12 = 530,424.65/x
  3. Step 3: Cross multiply
    784,729.01x = 1,083,255.12 × 530,424.65
  4. Step 4: Simplify right side
    784,729.01x = 574,585,212,470.43
  5. Step 5: Solve for x
    x = 574,585,212,470.43/784,729.01
  6. Step 6: Final answer
    x = 732,208.46

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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.