Home / 1,076,346.40-1,611,409.20-656,442.40

Finding the Fourth Proportional to 1,076,346.40, 1,611,409.20 and 656,442.40

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Solution

The fourth proportional to 1,076,346.40, 1,611,409.20 and 656,442.40 is: 982,766.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,346.40 : 1,611,409.20 = 656,442.40 : x
  2. Step 2: Convert to fraction form
    1,076,346.40/1,611,409.20 = 656,442.40/x
  3. Step 3: Cross multiply
    1,076,346.40x = 1,611,409.20 × 656,442.40
  4. Step 4: Simplify right side
    1,076,346.40x = 1,057,797,322,630.08
  5. Step 5: Solve for x
    x = 1,057,797,322,630.08/1,076,346.40
  6. Step 6: Final answer
    x = 982,766.63

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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.