Home / 889,026.32-1,226,846.76-481,119.20

Finding the Fourth Proportional to 889,026.32, 1,226,846.76 and 481,119.20

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Solution

The fourth proportional to 889,026.32, 1,226,846.76 and 481,119.20 is: 663,939.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,026.32 : 1,226,846.76 = 481,119.20 : x
  2. Step 2: Convert to fraction form
    889,026.32/1,226,846.76 = 481,119.20/x
  3. Step 3: Cross multiply
    889,026.32x = 1,226,846.76 × 481,119.20
  4. Step 4: Simplify right side
    889,026.32x = 590,259,531,693.79
  5. Step 5: Solve for x
    x = 590,259,531,693.79/889,026.32
  6. Step 6: Final answer
    x = 663,939.32

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Half scale
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Double scale
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Similar ratio
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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.