Home / 816,138.77-1,126,273.82-453,561.50

Finding the Fourth Proportional to 816,138.77, 1,126,273.82 and 453,561.50

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Solution

The fourth proportional to 816,138.77, 1,126,273.82 and 453,561.50 is: 625,916.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,138.77 : 1,126,273.82 = 453,561.50 : x
  2. Step 2: Convert to fraction form
    816,138.77/1,126,273.82 = 453,561.50/x
  3. Step 3: Cross multiply
    816,138.77x = 1,126,273.82 × 453,561.50
  4. Step 4: Simplify right side
    816,138.77x = 510,834,443,757.81
  5. Step 5: Solve for x
    x = 510,834,443,757.81/816,138.77
  6. Step 6: Final answer
    x = 625,916.16

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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.