Home / 1,077,665.92-1,487,278.83-618,840.70

Finding the Fourth Proportional to 1,077,665.92, 1,487,278.83 and 618,840.70

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Solution

The fourth proportional to 1,077,665.92, 1,487,278.83 and 618,840.70 is: 854,057.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,665.92 : 1,487,278.83 = 618,840.70 : x
  2. Step 2: Convert to fraction form
    1,077,665.92/1,487,278.83 = 618,840.70/x
  3. Step 3: Cross multiply
    1,077,665.92x = 1,487,278.83 × 618,840.70
  4. Step 4: Simplify right side
    1,077,665.92x = 920,388,672,252.38
  5. Step 5: Solve for x
    x = 920,388,672,252.38/1,077,665.92
  6. Step 6: Final answer
    x = 854,057.51

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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.