Home / 1,292,240.07-1,934,974.19-911,097.60

Finding the Fourth Proportional to 1,292,240.07, 1,934,974.19 and 911,097.60

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Solution

The fourth proportional to 1,292,240.07, 1,934,974.19 and 911,097.60 is: 1,364,259.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,240.07 : 1,934,974.19 = 911,097.60 : x
  2. Step 2: Convert to fraction form
    1,292,240.07/1,934,974.19 = 911,097.60/x
  3. Step 3: Cross multiply
    1,292,240.07x = 1,934,974.19 × 911,097.60
  4. Step 4: Simplify right side
    1,292,240.07x = 1,762,950,336,015.46
  5. Step 5: Solve for x
    x = 1,762,950,336,015.46/1,292,240.07
  6. Step 6: Final answer
    x = 1,364,259.15

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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.