Home / 746,049.64-1,029,516.33-423,758.74

Finding the Fourth Proportional to 746,049.64, 1,029,516.33 and 423,758.74

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Solution

The fourth proportional to 746,049.64, 1,029,516.33 and 423,758.74 is: 584,768.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,049.64 : 1,029,516.33 = 423,758.74 : x
  2. Step 2: Convert to fraction form
    746,049.64/1,029,516.33 = 423,758.74/x
  3. Step 3: Cross multiply
    746,049.64x = 1,029,516.33 × 423,758.74
  4. Step 4: Simplify right side
    746,049.64x = 436,266,542,810.22
  5. Step 5: Solve for x
    x = 436,266,542,810.22/746,049.64
  6. Step 6: Final answer
    x = 584,768.79

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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.