Home / 1,099,616.16-1,517,475.60-717,417.12

Finding the Fourth Proportional to 1,099,616.16, 1,517,475.60 and 717,417.12

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Solution

The fourth proportional to 1,099,616.16, 1,517,475.60 and 717,417.12 is: 990,039.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,616.16 : 1,517,475.60 = 717,417.12 : x
  2. Step 2: Convert to fraction form
    1,099,616.16/1,517,475.60 = 717,417.12/x
  3. Step 3: Cross multiply
    1,099,616.16x = 1,517,475.60 × 717,417.12
  4. Step 4: Simplify right side
    1,099,616.16x = 1,088,662,974,622.27
  5. Step 5: Solve for x
    x = 1,088,662,974,622.27/1,099,616.16
  6. Step 6: Final answer
    x = 990,039.08

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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.