Home / 1,066,405.32-1,471,640.58-613,696.68

Finding the Fourth Proportional to 1,066,405.32, 1,471,640.58 and 613,696.68

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Solution

The fourth proportional to 1,066,405.32, 1,471,640.58 and 613,696.68 is: 846,902.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,405.32 : 1,471,640.58 = 613,696.68 : x
  2. Step 2: Convert to fraction form
    1,066,405.32/1,471,640.58 = 613,696.68/x
  3. Step 3: Cross multiply
    1,066,405.32x = 1,471,640.58 × 613,696.68
  4. Step 4: Simplify right side
    1,066,405.32x = 903,140,938,099.28
  5. Step 5: Solve for x
    x = 903,140,938,099.28/1,066,405.32
  6. Step 6: Final answer
    x = 846,902.13

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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.