Home / 1,678,919.11-2,316,840.78-914,956.27

Finding the Fourth Proportional to 1,678,919.11, 2,316,840.78 and 914,956.27

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Solution

The fourth proportional to 1,678,919.11, 2,316,840.78 and 914,956.27 is: 1,262,602.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,919.11 : 2,316,840.78 = 914,956.27 : x
  2. Step 2: Convert to fraction form
    1,678,919.11/2,316,840.78 = 914,956.27/x
  3. Step 3: Cross multiply
    1,678,919.11x = 2,316,840.78 × 914,956.27
  4. Step 4: Simplify right side
    1,678,919.11x = 2,119,807,998,252.69
  5. Step 5: Solve for x
    x = 2,119,807,998,252.69/1,678,919.11
  6. Step 6: Final answer
    x = 1,262,602.82

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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.