Home / 990,236.64-1,366,579.44-560,612.64

Finding the Fourth Proportional to 990,236.64, 1,366,579.44 and 560,612.64

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Solution

The fourth proportional to 990,236.64, 1,366,579.44 and 560,612.64 is: 773,675.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,236.64 : 1,366,579.44 = 560,612.64 : x
  2. Step 2: Convert to fraction form
    990,236.64/1,366,579.44 = 560,612.64/x
  3. Step 3: Cross multiply
    990,236.64x = 1,366,579.44 × 560,612.64
  4. Step 4: Simplify right side
    990,236.64x = 766,121,707,628.12
  5. Step 5: Solve for x
    x = 766,121,707,628.12/990,236.64
  6. Step 6: Final answer
    x = 773,675.38

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Double scale
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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.