Home / 783,500.65-1,175,398.49-558,302.43

Finding the Fourth Proportional to 783,500.65, 1,175,398.49 and 558,302.43

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Solution

The fourth proportional to 783,500.65, 1,175,398.49 and 558,302.43 is: 837,558.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,500.65 : 1,175,398.49 = 558,302.43 : x
  2. Step 2: Convert to fraction form
    783,500.65/1,175,398.49 = 558,302.43/x
  3. Step 3: Cross multiply
    783,500.65x = 1,175,398.49 × 558,302.43
  4. Step 4: Simplify right side
    783,500.65x = 656,227,833,185.33
  5. Step 5: Solve for x
    x = 656,227,833,185.33/783,500.65
  6. Step 6: Final answer
    x = 837,558.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.