Home / 994,483.70-1,372,027.64-650,515.78

Finding the Fourth Proportional to 994,483.70, 1,372,027.64 and 650,515.78

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Solution

The fourth proportional to 994,483.70, 1,372,027.64 and 650,515.78 is: 897,476.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,483.70 : 1,372,027.64 = 650,515.78 : x
  2. Step 2: Convert to fraction form
    994,483.70/1,372,027.64 = 650,515.78/x
  3. Step 3: Cross multiply
    994,483.70x = 1,372,027.64 × 650,515.78
  4. Step 4: Simplify right side
    994,483.70x = 892,525,630,416.16
  5. Step 5: Solve for x
    x = 892,525,630,416.16/994,483.70
  6. Step 6: Final answer
    x = 897,476.38

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1.5x scale

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.