Home / 1,578,723.72-2,178,807.57-967,282.26

Finding the Fourth Proportional to 1,578,723.72, 2,178,807.57 and 967,282.26

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Solution

The fourth proportional to 1,578,723.72, 2,178,807.57 and 967,282.26 is: 1,334,952.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,723.72 : 2,178,807.57 = 967,282.26 : x
  2. Step 2: Convert to fraction form
    1,578,723.72/2,178,807.57 = 967,282.26/x
  3. Step 3: Cross multiply
    1,578,723.72x = 2,178,807.57 × 967,282.26
  4. Step 4: Simplify right side
    1,578,723.72x = 2,107,521,910,414.71
  5. Step 5: Solve for x
    x = 2,107,521,910,414.71/1,578,723.72
  6. Step 6: Final answer
    x = 1,334,952.96

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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.