Home / 1,228,699.92-1,695,614.22-684,870.72

Finding the Fourth Proportional to 1,228,699.92, 1,695,614.22 and 684,870.72

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Solution

The fourth proportional to 1,228,699.92, 1,695,614.22 and 684,870.72 is: 945,126.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,699.92 : 1,695,614.22 = 684,870.72 : x
  2. Step 2: Convert to fraction form
    1,228,699.92/1,695,614.22 = 684,870.72/x
  3. Step 3: Cross multiply
    1,228,699.92x = 1,695,614.22 × 684,870.72
  4. Step 4: Simplify right side
    1,228,699.92x = 1,161,276,531,693.64
  5. Step 5: Solve for x
    x = 1,161,276,531,693.64/1,228,699.92
  6. Step 6: Final answer
    x = 945,126.24

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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.