Home / 1,505,900.16-2,078,145.90-826,880.40

Finding the Fourth Proportional to 1,505,900.16, 2,078,145.90 and 826,880.40

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Solution

The fourth proportional to 1,505,900.16, 2,078,145.90 and 826,880.40 is: 1,141,096.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,900.16 : 2,078,145.90 = 826,880.40 : x
  2. Step 2: Convert to fraction form
    1,505,900.16/2,078,145.90 = 826,880.40/x
  3. Step 3: Cross multiply
    1,505,900.16x = 2,078,145.90 × 826,880.40
  4. Step 4: Simplify right side
    1,505,900.16x = 1,718,378,113,050.36
  5. Step 5: Solve for x
    x = 1,718,378,113,050.36/1,505,900.16
  6. Step 6: Final answer
    x = 1,141,096.97

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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.