Home / 1,382,638.64-1,908,910.92-1,059,740.24

Finding the Fourth Proportional to 1,382,638.64, 1,908,910.92 and 1,059,740.24

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Solution

The fourth proportional to 1,382,638.64, 1,908,910.92 and 1,059,740.24 is: 1,463,108.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,638.64 : 1,908,910.92 = 1,059,740.24 : x
  2. Step 2: Convert to fraction form
    1,382,638.64/1,908,910.92 = 1,059,740.24/x
  3. Step 3: Cross multiply
    1,382,638.64x = 1,908,910.92 × 1,059,740.24
  4. Step 4: Simplify right side
    1,382,638.64x = 2,022,949,716,499.42
  5. Step 5: Solve for x
    x = 2,022,949,716,499.42/1,382,638.64
  6. Step 6: Final answer
    x = 1,463,108.04

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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.