Home / 1,159,926.25-1,600,694.96-643,758.07

Finding the Fourth Proportional to 1,159,926.25, 1,600,694.96 and 643,758.07

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Solution

The fourth proportional to 1,159,926.25, 1,600,694.96 and 643,758.07 is: 888,384.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,926.25 : 1,600,694.96 = 643,758.07 : x
  2. Step 2: Convert to fraction form
    1,159,926.25/1,600,694.96 = 643,758.07/x
  3. Step 3: Cross multiply
    1,159,926.25x = 1,600,694.96 × 643,758.07
  4. Step 4: Simplify right side
    1,159,926.25x = 1,030,460,294,889.54
  5. Step 5: Solve for x
    x = 1,030,460,294,889.54/1,159,926.25
  6. Step 6: Final answer
    x = 888,384.32

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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.