Home / 821,910.02-1,134,232.01-459,333.66

Finding the Fourth Proportional to 821,910.02, 1,134,232.01 and 459,333.66

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Solution

The fourth proportional to 821,910.02, 1,134,232.01 and 459,333.66 is: 633,878.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,910.02 : 1,134,232.01 = 459,333.66 : x
  2. Step 2: Convert to fraction form
    821,910.02/1,134,232.01 = 459,333.66/x
  3. Step 3: Cross multiply
    821,910.02x = 1,134,232.01 × 459,333.66
  4. Step 4: Simplify right side
    821,910.02x = 520,990,940,442.46
  5. Step 5: Solve for x
    x = 520,990,940,442.46/821,910.02
  6. Step 6: Final answer
    x = 633,878.32

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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.