Home / 1,416,121.56-1,954,270.19-771,541.58

Finding the Fourth Proportional to 1,416,121.56, 1,954,270.19 and 771,541.58

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Solution

The fourth proportional to 1,416,121.56, 1,954,270.19 and 771,541.58 is: 1,064,739.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,121.56 : 1,954,270.19 = 771,541.58 : x
  2. Step 2: Convert to fraction form
    1,416,121.56/1,954,270.19 = 771,541.58/x
  3. Step 3: Cross multiply
    1,416,121.56x = 1,954,270.19 × 771,541.58
  4. Step 4: Simplify right side
    1,416,121.56x = 1,507,800,711,167.47
  5. Step 5: Solve for x
    x = 1,507,800,711,167.47/1,416,121.56
  6. Step 6: Final answer
    x = 1,064,739.61

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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.