Home / 651,623.52-899,240.43-396,974.52

Finding the Fourth Proportional to 651,623.52, 899,240.43 and 396,974.52

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Solution

The fourth proportional to 651,623.52, 899,240.43 and 396,974.52 is: 547,824.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,623.52 : 899,240.43 = 396,974.52 : x
  2. Step 2: Convert to fraction form
    651,623.52/899,240.43 = 396,974.52/x
  3. Step 3: Cross multiply
    651,623.52x = 899,240.43 × 396,974.52
  4. Step 4: Simplify right side
    651,623.52x = 356,975,538,063.84
  5. Step 5: Solve for x
    x = 356,975,538,063.84/651,623.52
  6. Step 6: Final answer
    x = 547,824.82

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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.