Home / 736,731.60-1,105,356.60-263,432.40

Finding the Fourth Proportional to 736,731.60, 1,105,356.60 and 263,432.40

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Solution

The fourth proportional to 736,731.60, 1,105,356.60 and 263,432.40 is: 395,241.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,731.60 : 1,105,356.60 = 263,432.40 : x
  2. Step 2: Convert to fraction form
    736,731.60/1,105,356.60 = 263,432.40/x
  3. Step 3: Cross multiply
    736,731.60x = 1,105,356.60 × 263,432.40
  4. Step 4: Simplify right side
    736,731.60x = 291,186,741,993.84
  5. Step 5: Solve for x
    x = 291,186,741,993.84/736,731.60
  6. Step 6: Final answer
    x = 395,241.28

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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.