Home / 696,883.32-961,771.50-391,042.26

Finding the Fourth Proportional to 696,883.32, 961,771.50 and 391,042.26

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Solution

The fourth proportional to 696,883.32, 961,771.50 and 391,042.26 is: 539,679.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,883.32 : 961,771.50 = 391,042.26 : x
  2. Step 2: Convert to fraction form
    696,883.32/961,771.50 = 391,042.26/x
  3. Step 3: Cross multiply
    696,883.32x = 961,771.50 × 391,042.26
  4. Step 4: Simplify right side
    696,883.32x = 376,093,300,963.59
  5. Step 5: Solve for x
    x = 376,093,300,963.59/696,883.32
  6. Step 6: Final answer
    x = 539,679.01

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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.