Home / 853,467.30-1,177,737.57-531,167.22

Finding the Fourth Proportional to 853,467.30, 1,177,737.57 and 531,167.22

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Solution

The fourth proportional to 853,467.30, 1,177,737.57 and 531,167.22 is: 732,981.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,467.30 : 1,177,737.57 = 531,167.22 : x
  2. Step 2: Convert to fraction form
    853,467.30/1,177,737.57 = 531,167.22/x
  3. Step 3: Cross multiply
    853,467.30x = 1,177,737.57 × 531,167.22
  4. Step 4: Simplify right side
    853,467.30x = 625,575,590,946.46
  5. Step 5: Solve for x
    x = 625,575,590,946.46/853,467.30
  6. Step 6: Final answer
    x = 732,981.32

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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.