Home / 736,724.60-1,105,346.10-263,425.40

Finding the Fourth Proportional to 736,724.60, 1,105,346.10 and 263,425.40

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Solution

The fourth proportional to 736,724.60, 1,105,346.10 and 263,425.40 is: 395,230.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,724.60 : 1,105,346.10 = 263,425.40 : x
  2. Step 2: Convert to fraction form
    736,724.60/1,105,346.10 = 263,425.40/x
  3. Step 3: Cross multiply
    736,724.60x = 1,105,346.10 × 263,425.40
  4. Step 4: Simplify right side
    736,724.60x = 291,176,238,530.94
  5. Step 5: Solve for x
    x = 291,176,238,530.94/736,724.60
  6. Step 6: Final answer
    x = 395,230.78

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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.