Home / 772,440.75-1,066,033.85-432,974.61

Finding the Fourth Proportional to 772,440.75, 1,066,033.85 and 432,974.61

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Solution

The fourth proportional to 772,440.75, 1,066,033.85 and 432,974.61 is: 597,541.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,440.75 : 1,066,033.85 = 432,974.61 : x
  2. Step 2: Convert to fraction form
    772,440.75/1,066,033.85 = 432,974.61/x
  3. Step 3: Cross multiply
    772,440.75x = 1,066,033.85 × 432,974.61
  4. Step 4: Simplify right side
    772,440.75x = 461,565,588,285.68
  5. Step 5: Solve for x
    x = 461,565,588,285.68/772,440.75
  6. Step 6: Final answer
    x = 597,541.74

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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.