Home / 1,247,462.51-1,721,495.90-703,596.65

Finding the Fourth Proportional to 1,247,462.51, 1,721,495.90 and 703,596.65

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Solution

The fourth proportional to 1,247,462.51, 1,721,495.90 and 703,596.65 is: 970,962.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,462.51 : 1,721,495.90 = 703,596.65 : x
  2. Step 2: Convert to fraction form
    1,247,462.51/1,721,495.90 = 703,596.65/x
  3. Step 3: Cross multiply
    1,247,462.51x = 1,721,495.90 × 703,596.65
  4. Step 4: Simplify right side
    1,247,462.51x = 1,211,238,741,380.25
  5. Step 5: Solve for x
    x = 1,211,238,741,380.25/1,247,462.51
  6. Step 6: Final answer
    x = 970,962.04

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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.