Home / 1,289,027.60-1,778,797.72-716,102.72

Finding the Fourth Proportional to 1,289,027.60, 1,778,797.72 and 716,102.72

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Solution

The fourth proportional to 1,289,027.60, 1,778,797.72 and 716,102.72 is: 988,188.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,027.60 : 1,778,797.72 = 716,102.72 : x
  2. Step 2: Convert to fraction form
    1,289,027.60/1,778,797.72 = 716,102.72/x
  3. Step 3: Cross multiply
    1,289,027.60x = 1,778,797.72 × 716,102.72
  4. Step 4: Simplify right side
    1,289,027.60x = 1,273,801,885,621.80
  5. Step 5: Solve for x
    x = 1,273,801,885,621.80/1,289,027.60
  6. Step 6: Final answer
    x = 988,188.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.