Home / 889,410.12-1,227,377.16-481,501.20

Finding the Fourth Proportional to 889,410.12, 1,227,377.16 and 481,501.20

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Solution

The fourth proportional to 889,410.12, 1,227,377.16 and 481,501.20 is: 664,466.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,410.12 : 1,227,377.16 = 481,501.20 : x
  2. Step 2: Convert to fraction form
    889,410.12/1,227,377.16 = 481,501.20/x
  3. Step 3: Cross multiply
    889,410.12x = 1,227,377.16 × 481,501.20
  4. Step 4: Simplify right side
    889,410.12x = 590,983,575,392.59
  5. Step 5: Solve for x
    x = 590,983,575,392.59/889,410.12
  6. Step 6: Final answer
    x = 664,466.89

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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.