Home / 834,149.03-1,151,131.79-452,178.55

Finding the Fourth Proportional to 834,149.03, 1,151,131.79 and 452,178.55

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Solution

The fourth proportional to 834,149.03, 1,151,131.79 and 452,178.55 is: 624,009.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,149.03 : 1,151,131.79 = 452,178.55 : x
  2. Step 2: Convert to fraction form
    834,149.03/1,151,131.79 = 452,178.55/x
  3. Step 3: Cross multiply
    834,149.03x = 1,151,131.79 × 452,178.55
  4. Step 4: Simplify right side
    834,149.03x = 520,517,095,644.55
  5. Step 5: Solve for x
    x = 520,517,095,644.55/834,149.03
  6. Step 6: Final answer
    x = 624,009.71

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Double scale
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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.