Home / 708,023.52-977,067.36-385,733.52

Finding the Fourth Proportional to 708,023.52, 977,067.36 and 385,733.52

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Solution

The fourth proportional to 708,023.52, 977,067.36 and 385,733.52 is: 532,309.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,023.52 : 977,067.36 = 385,733.52 : x
  2. Step 2: Convert to fraction form
    708,023.52/977,067.36 = 385,733.52/x
  3. Step 3: Cross multiply
    708,023.52x = 977,067.36 × 385,733.52
  4. Step 4: Simplify right side
    708,023.52x = 376,887,632,049.91
  5. Step 5: Solve for x
    x = 376,887,632,049.91/708,023.52
  6. Step 6: Final answer
    x = 532,309.48

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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.