Home / 766,914.36-1,058,420.94-461,090.76

Finding the Fourth Proportional to 766,914.36, 1,058,420.94 and 461,090.76

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Solution

The fourth proportional to 766,914.36, 1,058,420.94 and 461,090.76 is: 636,352.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,914.36 : 1,058,420.94 = 461,090.76 : x
  2. Step 2: Convert to fraction form
    766,914.36/1,058,420.94 = 461,090.76/x
  3. Step 3: Cross multiply
    766,914.36x = 1,058,420.94 × 461,090.76
  4. Step 4: Simplify right side
    766,914.36x = 488,028,115,624.51
  5. Step 5: Solve for x
    x = 488,028,115,624.51/766,914.36
  6. Step 6: Final answer
    x = 636,352.82

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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.