Home / 964,908.56-1,331,663.88-557,023.76

Finding the Fourth Proportional to 964,908.56, 1,331,663.88 and 557,023.76

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Solution

The fourth proportional to 964,908.56, 1,331,663.88 and 557,023.76 is: 768,744.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,908.56 : 1,331,663.88 = 557,023.76 : x
  2. Step 2: Convert to fraction form
    964,908.56/1,331,663.88 = 557,023.76/x
  3. Step 3: Cross multiply
    964,908.56x = 1,331,663.88 × 557,023.76
  4. Step 4: Simplify right side
    964,908.56x = 741,768,421,493.79
  5. Step 5: Solve for x
    x = 741,768,421,493.79/964,908.56
  6. Step 6: Final answer
    x = 768,744.78

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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.