Home / 1,059,490.47-1,587,672.45-626,760.39

Finding the Fourth Proportional to 1,059,490.47, 1,587,672.45 and 626,760.39

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Solution

The fourth proportional to 1,059,490.47, 1,587,672.45 and 626,760.39 is: 939,215.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,490.47 : 1,587,672.45 = 626,760.39 : x
  2. Step 2: Convert to fraction form
    1,059,490.47/1,587,672.45 = 626,760.39/x
  3. Step 3: Cross multiply
    1,059,490.47x = 1,587,672.45 × 626,760.39
  4. Step 4: Simplify right side
    1,059,490.47x = 995,090,203,954.26
  5. Step 5: Solve for x
    x = 995,090,203,954.26/1,059,490.47
  6. Step 6: Final answer
    x = 939,215.81

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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.