Home / 638,738.04-958,306.64-189,461.44

Finding the Fourth Proportional to 638,738.04, 958,306.64 and 189,461.44

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Solution

The fourth proportional to 638,738.04, 958,306.64 and 189,461.44 is: 284,251.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,738.04 : 958,306.64 = 189,461.44 : x
  2. Step 2: Convert to fraction form
    638,738.04/958,306.64 = 189,461.44/x
  3. Step 3: Cross multiply
    638,738.04x = 958,306.64 × 189,461.44
  4. Step 4: Simplify right side
    638,738.04x = 181,562,155,975.96
  5. Step 5: Solve for x
    x = 181,562,155,975.96/638,738.04
  6. Step 6: Final answer
    x = 284,251.36

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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.