Home / 816,722-1,127,076.36-459,026

Finding the Fourth Proportional to 816,722, 1,127,076.36 and 459,026

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Solution

The fourth proportional to 816,722, 1,127,076.36 and 459,026 is: 633,455.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,722 : 1,127,076.36 = 459,026 : x
  2. Step 2: Convert to fraction form
    816,722/1,127,076.36 = 459,026/x
  3. Step 3: Cross multiply
    816,722x = 1,127,076.36 × 459,026
  4. Step 4: Simplify right side
    816,722x = 517,357,353,225.36
  5. Step 5: Solve for x
    x = 517,357,353,225.36/816,722
  6. Step 6: Final answer
    x = 633,455.88

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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.