Home / 825,568.66-1,138,230.07-534,666.21

Finding the Fourth Proportional to 825,568.66, 1,138,230.07 and 534,666.21

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Solution

The fourth proportional to 825,568.66, 1,138,230.07 and 534,666.21 is: 737,156.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,568.66 : 1,138,230.07 = 534,666.21 : x
  2. Step 2: Convert to fraction form
    825,568.66/1,138,230.07 = 534,666.21/x
  3. Step 3: Cross multiply
    825,568.66x = 1,138,230.07 × 534,666.21
  4. Step 4: Simplify right side
    825,568.66x = 608,573,157,634.94
  5. Step 5: Solve for x
    x = 608,573,157,634.94/825,568.66
  6. Step 6: Final answer
    x = 737,156.32

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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.