Home / 1,313,458.20-1,970,187.30-841,066.20

Finding the Fourth Proportional to 1,313,458.20, 1,970,187.30 and 841,066.20

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Solution

The fourth proportional to 1,313,458.20, 1,970,187.30 and 841,066.20 is: 1,261,599.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,458.20 : 1,970,187.30 = 841,066.20 : x
  2. Step 2: Convert to fraction form
    1,313,458.20/1,970,187.30 = 841,066.20/x
  3. Step 3: Cross multiply
    1,313,458.20x = 1,970,187.30 × 841,066.20
  4. Step 4: Simplify right side
    1,313,458.20x = 1,657,057,945,699.26
  5. Step 5: Solve for x
    x = 1,657,057,945,699.26/1,313,458.20
  6. Step 6: Final answer
    x = 1,261,599.30

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.