Home / 748,103.89-1,032,389.97-425,834.74

Finding the Fourth Proportional to 748,103.89, 1,032,389.97 and 425,834.74

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Solution

The fourth proportional to 748,103.89, 1,032,389.97 and 425,834.74 is: 587,655.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,103.89 : 1,032,389.97 = 425,834.74 : x
  2. Step 2: Convert to fraction form
    748,103.89/1,032,389.97 = 425,834.74/x
  3. Step 3: Cross multiply
    748,103.89x = 1,032,389.97 × 425,834.74
  4. Step 4: Simplify right side
    748,103.89x = 439,627,514,453.56
  5. Step 5: Solve for x
    x = 439,627,514,453.56/748,103.89
  6. Step 6: Final answer
    x = 587,655.70

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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.