Home / 841,358.52-1,261,530.09-392,180.04

Finding the Fourth Proportional to 841,358.52, 1,261,530.09 and 392,180.04

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Solution

The fourth proportional to 841,358.52, 1,261,530.09 and 392,180.04 is: 588,033.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,358.52 : 1,261,530.09 = 392,180.04 : x
  2. Step 2: Convert to fraction form
    841,358.52/1,261,530.09 = 392,180.04/x
  3. Step 3: Cross multiply
    841,358.52x = 1,261,530.09 × 392,180.04
  4. Step 4: Simplify right side
    841,358.52x = 494,746,921,157.40
  5. Step 5: Solve for x
    x = 494,746,921,157.40/841,358.52
  6. Step 6: Final answer
    x = 588,033.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.