Home / 695,158.38-958,823.87-637,982.37

Finding the Fourth Proportional to 695,158.38, 958,823.87 and 637,982.37

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Solution

The fourth proportional to 695,158.38, 958,823.87 and 637,982.37 is: 879,961.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,158.38 : 958,823.87 = 637,982.37 : x
  2. Step 2: Convert to fraction form
    695,158.38/958,823.87 = 637,982.37/x
  3. Step 3: Cross multiply
    695,158.38x = 958,823.87 × 637,982.37
  4. Step 4: Simplify right side
    695,158.38x = 611,712,721,805.26
  5. Step 5: Solve for x
    x = 611,712,721,805.26/695,158.38
  6. Step 6: Final answer
    x = 879,961.66

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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.