Home / 697,182.36-961,892.26-391,213.76

Finding the Fourth Proportional to 697,182.36, 961,892.26 and 391,213.76

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Solution

The fourth proportional to 697,182.36, 961,892.26 and 391,213.76 is: 539,751.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,182.36 : 961,892.26 = 391,213.76 : x
  2. Step 2: Convert to fraction form
    697,182.36/961,892.26 = 391,213.76/x
  3. Step 3: Cross multiply
    697,182.36x = 961,892.26 × 391,213.76
  4. Step 4: Simplify right side
    697,182.36x = 376,305,487,749.50
  5. Step 5: Solve for x
    x = 376,305,487,749.50/697,182.36
  6. Step 6: Final answer
    x = 539,751.88

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1.5x scale

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.