Home / 724,821.93-1,000,754.67-453,012

Finding the Fourth Proportional to 724,821.93, 1,000,754.67 and 453,012

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Solution

The fourth proportional to 724,821.93, 1,000,754.67 and 453,012 is: 625,469.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,821.93 : 1,000,754.67 = 453,012 : x
  2. Step 2: Convert to fraction form
    724,821.93/1,000,754.67 = 453,012/x
  3. Step 3: Cross multiply
    724,821.93x = 1,000,754.67 × 453,012
  4. Step 4: Simplify right side
    724,821.93x = 453,353,874,566.04
  5. Step 5: Solve for x
    x = 453,353,874,566.04/724,821.93
  6. Step 6: Final answer
    x = 625,469.31

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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.