Home / 1,076,966.72-1,615,431.96-318,804.92

Finding the Fourth Proportional to 1,076,966.72, 1,615,431.96 and 318,804.92

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Solution

The fourth proportional to 1,076,966.72, 1,615,431.96 and 318,804.92 is: 478,202.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,966.72 : 1,615,431.96 = 318,804.92 : x
  2. Step 2: Convert to fraction form
    1,076,966.72/1,615,431.96 = 318,804.92/x
  3. Step 3: Cross multiply
    1,076,966.72x = 1,615,431.96 × 318,804.92
  4. Step 4: Simplify right side
    1,076,966.72x = 515,007,656,773.24
  5. Step 5: Solve for x
    x = 515,007,656,773.24/1,076,966.72
  6. Step 6: Final answer
    x = 478,202.02

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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.