Home / 557,674.74-835,826.85-257,749.56

Finding the Fourth Proportional to 557,674.74, 835,826.85 and 257,749.56

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Solution

The fourth proportional to 557,674.74, 835,826.85 and 257,749.56 is: 386,307.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,674.74 : 835,826.85 = 257,749.56 : x
  2. Step 2: Convert to fraction form
    557,674.74/835,826.85 = 257,749.56/x
  3. Step 3: Cross multiply
    557,674.74x = 835,826.85 × 257,749.56
  4. Step 4: Simplify right side
    557,674.74x = 215,434,002,823.69
  5. Step 5: Solve for x
    x = 215,434,002,823.69/557,674.74
  6. Step 6: Final answer
    x = 386,307.62

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1.5x scale

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.