Home / 1,051,959.33-1,451,362.05-643,635.51

Finding the Fourth Proportional to 1,051,959.33, 1,451,362.05 and 643,635.51

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Solution

The fourth proportional to 1,051,959.33, 1,451,362.05 and 643,635.51 is: 888,007.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,959.33 : 1,451,362.05 = 643,635.51 : x
  2. Step 2: Convert to fraction form
    1,051,959.33/1,451,362.05 = 643,635.51/x
  3. Step 3: Cross multiply
    1,051,959.33x = 1,451,362.05 × 643,635.51
  4. Step 4: Simplify right side
    1,051,959.33x = 934,148,153,246.40
  5. Step 5: Solve for x
    x = 934,148,153,246.40/1,051,959.33
  6. Step 6: Final answer
    x = 888,007.86

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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.