Home / 1,224,780.28-1,690,203.35-673,531.52

Finding the Fourth Proportional to 1,224,780.28, 1,690,203.35 and 673,531.52

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Solution

The fourth proportional to 1,224,780.28, 1,690,203.35 and 673,531.52 is: 929,477.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,780.28 : 1,690,203.35 = 673,531.52 : x
  2. Step 2: Convert to fraction form
    1,224,780.28/1,690,203.35 = 673,531.52/x
  3. Step 3: Cross multiply
    1,224,780.28x = 1,690,203.35 × 673,531.52
  4. Step 4: Simplify right side
    1,224,780.28x = 1,138,405,237,034.19
  5. Step 5: Solve for x
    x = 1,138,405,237,034.19/1,224,780.28
  6. Step 6: Final answer
    x = 929,477.11

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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.