Home / 989,764.96-1,365,558.23-554,118.28

Finding the Fourth Proportional to 989,764.96, 1,365,558.23 and 554,118.28

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Solution

The fourth proportional to 989,764.96, 1,365,558.23 and 554,118.28 is: 764,505.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,764.96 : 1,365,558.23 = 554,118.28 : x
  2. Step 2: Convert to fraction form
    989,764.96/1,365,558.23 = 554,118.28/x
  3. Step 3: Cross multiply
    989,764.96x = 1,365,558.23 × 554,118.28
  4. Step 4: Simplify right side
    989,764.96x = 756,680,780,183.19
  5. Step 5: Solve for x
    x = 756,680,780,183.19/989,764.96
  6. Step 6: Final answer
    x = 764,505.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.