Home / 1,640,251.32-2,263,548.24-915,099.19

Finding the Fourth Proportional to 1,640,251.32, 2,263,548.24 and 915,099.19

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Solution

The fourth proportional to 1,640,251.32, 2,263,548.24 and 915,099.19 is: 1,262,837.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,251.32 : 2,263,548.24 = 915,099.19 : x
  2. Step 2: Convert to fraction form
    1,640,251.32/2,263,548.24 = 915,099.19/x
  3. Step 3: Cross multiply
    1,640,251.32x = 2,263,548.24 × 915,099.19
  4. Step 4: Simplify right side
    1,640,251.32x = 2,071,371,158,722.68
  5. Step 5: Solve for x
    x = 2,071,371,158,722.68/1,640,251.32
  6. Step 6: Final answer
    x = 1,262,837.67

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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.