Home / 841,622.31-1,161,446.19-479,069.52

Finding the Fourth Proportional to 841,622.31, 1,161,446.19 and 479,069.52

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Solution

The fourth proportional to 841,622.31, 1,161,446.19 and 479,069.52 is: 661,120.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,622.31 : 1,161,446.19 = 479,069.52 : x
  2. Step 2: Convert to fraction form
    841,622.31/1,161,446.19 = 479,069.52/x
  3. Step 3: Cross multiply
    841,622.31x = 1,161,446.19 × 479,069.52
  4. Step 4: Simplify right side
    841,622.31x = 556,413,468,749.13
  5. Step 5: Solve for x
    x = 556,413,468,749.13/841,622.31
  6. Step 6: Final answer
    x = 661,120.15

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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.