Home / 1,148,638.24-1,585,085.52-639,327.52

Finding the Fourth Proportional to 1,148,638.24, 1,585,085.52 and 639,327.52

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Solution

The fourth proportional to 1,148,638.24, 1,585,085.52 and 639,327.52 is: 882,252.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,638.24 : 1,585,085.52 = 639,327.52 : x
  2. Step 2: Convert to fraction form
    1,148,638.24/1,585,085.52 = 639,327.52/x
  3. Step 3: Cross multiply
    1,148,638.24x = 1,585,085.52 × 639,327.52
  4. Step 4: Simplify right side
    1,148,638.24x = 1,013,388,794,489.51
  5. Step 5: Solve for x
    x = 1,013,388,794,489.51/1,148,638.24
  6. Step 6: Final answer
    x = 882,252.36

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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.