Home / 651,163.50-981,182.09-535,427.34

Finding the Fourth Proportional to 651,163.50, 981,182.09 and 535,427.34

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Solution

The fourth proportional to 651,163.50, 981,182.09 and 535,427.34 is: 806,789.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,163.50 : 981,182.09 = 535,427.34 : x
  2. Step 2: Convert to fraction form
    651,163.50/981,182.09 = 535,427.34/x
  3. Step 3: Cross multiply
    651,163.50x = 981,182.09 × 535,427.34
  4. Step 4: Simplify right side
    651,163.50x = 525,351,713,827.20
  5. Step 5: Solve for x
    x = 525,351,713,827.20/651,163.50
  6. Step 6: Final answer
    x = 806,789.25

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.