Home / 1,578,899.14-2,178,893.10-871,682.78

Finding the Fourth Proportional to 1,578,899.14, 2,178,893.10 and 871,682.78

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Solution

The fourth proportional to 1,578,899.14, 2,178,893.10 and 871,682.78 is: 1,202,929.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,899.14 : 2,178,893.10 = 871,682.78 : x
  2. Step 2: Convert to fraction form
    1,578,899.14/2,178,893.10 = 871,682.78/x
  3. Step 3: Cross multiply
    1,578,899.14x = 2,178,893.10 × 871,682.78
  4. Step 4: Simplify right side
    1,578,899.14x = 1,899,303,594,730.82
  5. Step 5: Solve for x
    x = 1,899,303,594,730.82/1,578,899.14
  6. Step 6: Final answer
    x = 1,202,929.02

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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.