Home / 756,644.82-1,044,176.88-417,125.22

Finding the Fourth Proportional to 756,644.82, 1,044,176.88 and 417,125.22

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Solution

The fourth proportional to 756,644.82, 1,044,176.88 and 417,125.22 is: 575,636.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,644.82 : 1,044,176.88 = 417,125.22 : x
  2. Step 2: Convert to fraction form
    756,644.82/1,044,176.88 = 417,125.22/x
  3. Step 3: Cross multiply
    756,644.82x = 1,044,176.88 × 417,125.22
  4. Step 4: Simplify right side
    756,644.82x = 435,552,510,788.91
  5. Step 5: Solve for x
    x = 435,552,510,788.91/756,644.82
  6. Step 6: Final answer
    x = 575,636.68

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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.