Home / 1,076,903.90-1,615,355.85-656,999.90

Finding the Fourth Proportional to 1,076,903.90, 1,615,355.85 and 656,999.90

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Solution

The fourth proportional to 1,076,903.90, 1,615,355.85 and 656,999.90 is: 985,499.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,903.90 : 1,615,355.85 = 656,999.90 : x
  2. Step 2: Convert to fraction form
    1,076,903.90/1,615,355.85 = 656,999.90/x
  3. Step 3: Cross multiply
    1,076,903.90x = 1,615,355.85 × 656,999.90
  4. Step 4: Simplify right side
    1,076,903.90x = 1,061,288,631,914.42
  5. Step 5: Solve for x
    x = 1,061,288,631,914.42/1,076,903.90
  6. Step 6: Final answer
    x = 985,499.85

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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.