Home / 1,159,237.92-1,599,668.21-642,943.11

Finding the Fourth Proportional to 1,159,237.92, 1,599,668.21 and 642,943.11

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Solution

The fourth proportional to 1,159,237.92, 1,599,668.21 and 642,943.11 is: 887,217.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,237.92 : 1,599,668.21 = 642,943.11 : x
  2. Step 2: Convert to fraction form
    1,159,237.92/1,599,668.21 = 642,943.11/x
  3. Step 3: Cross multiply
    1,159,237.92x = 1,599,668.21 × 642,943.11
  4. Step 4: Simplify right side
    1,159,237.92x = 1,028,495,655,512.89
  5. Step 5: Solve for x
    x = 1,028,495,655,512.89/1,159,237.92
  6. Step 6: Final answer
    x = 887,217.06

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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.