Home / 738,158.36-1,106,843.87-382,289.72

Finding the Fourth Proportional to 738,158.36, 1,106,843.87 and 382,289.72

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Solution

The fourth proportional to 738,158.36, 1,106,843.87 and 382,289.72 is: 573,230.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,158.36 : 1,106,843.87 = 382,289.72 : x
  2. Step 2: Convert to fraction form
    738,158.36/1,106,843.87 = 382,289.72/x
  3. Step 3: Cross multiply
    738,158.36x = 1,106,843.87 × 382,289.72
  4. Step 4: Simplify right side
    738,158.36x = 423,135,025,700.35
  5. Step 5: Solve for x
    x = 423,135,025,700.35/738,158.36
  6. Step 6: Final answer
    x = 573,230.69

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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.