Home / 1,689,772.52-2,534,636.81-410,390.48

Finding the Fourth Proportional to 1,689,772.52, 2,534,636.81 and 410,390.48

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Solution

The fourth proportional to 1,689,772.52, 2,534,636.81 and 410,390.48 is: 615,580.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,772.52 : 2,534,636.81 = 410,390.48 : x
  2. Step 2: Convert to fraction form
    1,689,772.52/2,534,636.81 = 410,390.48/x
  3. Step 3: Cross multiply
    1,689,772.52x = 2,534,636.81 × 410,390.48
  4. Step 4: Simplify right side
    1,689,772.52x = 1,040,190,802,356.43
  5. Step 5: Solve for x
    x = 1,040,190,802,356.43/1,689,772.52
  6. Step 6: Final answer
    x = 615,580.38

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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.