Home / 836,143.23-1,154,356.43-550,493.70

Finding the Fourth Proportional to 836,143.23, 1,154,356.43 and 550,493.70

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Solution

The fourth proportional to 836,143.23, 1,154,356.43 and 550,493.70 is: 759,996.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,143.23 : 1,154,356.43 = 550,493.70 : x
  2. Step 2: Convert to fraction form
    836,143.23/1,154,356.43 = 550,493.70/x
  3. Step 3: Cross multiply
    836,143.23x = 1,154,356.43 × 550,493.70
  4. Step 4: Simplify right side
    836,143.23x = 635,465,942,269.49
  5. Step 5: Solve for x
    x = 635,465,942,269.49/836,143.23
  6. Step 6: Final answer
    x = 759,996.52

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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.