Home / 1,117,512.76-1,542,167.60-608,218.78

Finding the Fourth Proportional to 1,117,512.76, 1,542,167.60 and 608,218.78

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Solution

The fourth proportional to 1,117,512.76, 1,542,167.60 and 608,218.78 is: 839,341.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,512.76 : 1,542,167.60 = 608,218.78 : x
  2. Step 2: Convert to fraction form
    1,117,512.76/1,542,167.60 = 608,218.78/x
  3. Step 3: Cross multiply
    1,117,512.76x = 1,542,167.60 × 608,218.78
  4. Step 4: Simplify right side
    1,117,512.76x = 937,975,296,227.53
  5. Step 5: Solve for x
    x = 937,975,296,227.53/1,117,512.76
  6. Step 6: Final answer
    x = 839,341.91

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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.