Home / 648,682.90-973,117.22-199,441.50

Finding the Fourth Proportional to 648,682.90, 973,117.22 and 199,441.50

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Solution

The fourth proportional to 648,682.90, 973,117.22 and 199,441.50 is: 299,190.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,682.90 : 973,117.22 = 199,441.50 : x
  2. Step 2: Convert to fraction form
    648,682.90/973,117.22 = 199,441.50/x
  3. Step 3: Cross multiply
    648,682.90x = 973,117.22 × 199,441.50
  4. Step 4: Simplify right side
    648,682.90x = 194,079,958,032.63
  5. Step 5: Solve for x
    x = 194,079,958,032.63/648,682.90
  6. Step 6: Final answer
    x = 299,190.80

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1.5x scale

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.