Home / 769,728.16-1,062,222.19-430,196.41

Finding the Fourth Proportional to 769,728.16, 1,062,222.19 and 430,196.41

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Solution

The fourth proportional to 769,728.16, 1,062,222.19 and 430,196.41 is: 593,669.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,728.16 : 1,062,222.19 = 430,196.41 : x
  2. Step 2: Convert to fraction form
    769,728.16/1,062,222.19 = 430,196.41/x
  3. Step 3: Cross multiply
    769,728.16x = 1,062,222.19 × 430,196.41
  4. Step 4: Simplify right side
    769,728.16x = 456,964,165,298.25
  5. Step 5: Solve for x
    x = 456,964,165,298.25/769,728.16
  6. Step 6: Final answer
    x = 593,669.55

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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.