Home / 1,071,186.42-1,478,236.59-587,754.66

Finding the Fourth Proportional to 1,071,186.42, 1,478,236.59 and 587,754.66

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Solution

The fourth proportional to 1,071,186.42, 1,478,236.59 and 587,754.66 is: 811,101.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,186.42 : 1,478,236.59 = 587,754.66 : x
  2. Step 2: Convert to fraction form
    1,071,186.42/1,478,236.59 = 587,754.66/x
  3. Step 3: Cross multiply
    1,071,186.42x = 1,478,236.59 × 587,754.66
  4. Step 4: Simplify right side
    1,071,186.42x = 868,840,444,355.01
  5. Step 5: Solve for x
    x = 868,840,444,355.01/1,071,186.42
  6. Step 6: Final answer
    x = 811,101.06

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Double scale
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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.