Home / 769,729.16-1,062,223.57-430,197.41

Finding the Fourth Proportional to 769,729.16, 1,062,223.57 and 430,197.41

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Solution

The fourth proportional to 769,729.16, 1,062,223.57 and 430,197.41 is: 593,670.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,729.16 : 1,062,223.57 = 430,197.41 : x
  2. Step 2: Convert to fraction form
    769,729.16/1,062,223.57 = 430,197.41/x
  3. Step 3: Cross multiply
    769,729.16x = 1,062,223.57 × 430,197.41
  4. Step 4: Simplify right side
    769,729.16x = 456,965,821,192.85
  5. Step 5: Solve for x
    x = 456,965,821,192.85/769,729.16
  6. Step 6: Final answer
    x = 593,670.93

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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.