Home / 1,725,420.71-2,588,132.90-1,722,928.75

Finding the Fourth Proportional to 1,725,420.71, 2,588,132.90 and 1,722,928.75

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Solution

The fourth proportional to 1,725,420.71, 2,588,132.90 and 1,722,928.75 is: 2,584,394.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,725,420.71 : 2,588,132.90 = 1,722,928.75 : x
  2. Step 2: Convert to fraction form
    1,725,420.71/2,588,132.90 = 1,722,928.75/x
  3. Step 3: Cross multiply
    1,725,420.71x = 2,588,132.90 × 1,722,928.75
  4. Step 4: Simplify right side
    1,725,420.71x = 4,459,168,580,067.86
  5. Step 5: Solve for x
    x = 4,459,168,580,067.86/1,725,420.71
  6. Step 6: Final answer
    x = 2,584,394.95

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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.