Home / 1,224,784.78-1,690,209.57-673,536.03

Finding the Fourth Proportional to 1,224,784.78, 1,690,209.57 and 673,536.03

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Solution

The fourth proportional to 1,224,784.78, 1,690,209.57 and 673,536.03 is: 929,483.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,784.78 : 1,690,209.57 = 673,536.03 : x
  2. Step 2: Convert to fraction form
    1,224,784.78/1,690,209.57 = 673,536.03/x
  3. Step 3: Cross multiply
    1,224,784.78x = 1,690,209.57 × 673,536.03
  4. Step 4: Simplify right side
    1,224,784.78x = 1,138,417,036,044.64
  5. Step 5: Solve for x
    x = 1,138,417,036,044.64/1,224,784.78
  6. Step 6: Final answer
    x = 929,483.33

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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.