Home / 1,224,889.35-1,690,303.13-673,600.43

Finding the Fourth Proportional to 1,224,889.35, 1,690,303.13 and 673,600.43

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Solution

The fourth proportional to 1,224,889.35, 1,690,303.13 and 673,600.43 is: 929,544.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,889.35 : 1,690,303.13 = 673,600.43 : x
  2. Step 2: Convert to fraction form
    1,224,889.35/1,690,303.13 = 673,600.43/x
  3. Step 3: Cross multiply
    1,224,889.35x = 1,690,303.13 × 673,600.43
  4. Step 4: Simplify right side
    1,224,889.35x = 1,138,588,903,378.83
  5. Step 5: Solve for x
    x = 1,138,588,903,378.83/1,224,889.35
  6. Step 6: Final answer
    x = 929,544.29

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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.