Home / 816,076.12-1,126,113.42-453,477.01

Finding the Fourth Proportional to 816,076.12, 1,126,113.42 and 453,477.01

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Solution

The fourth proportional to 816,076.12, 1,126,113.42 and 453,477.01 is: 625,758.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,076.12 : 1,126,113.42 = 453,477.01 : x
  2. Step 2: Convert to fraction form
    816,076.12/1,126,113.42 = 453,477.01/x
  3. Step 3: Cross multiply
    816,076.12x = 1,126,113.42 × 453,477.01
  4. Step 4: Simplify right side
    816,076.12x = 510,666,546,622.47
  5. Step 5: Solve for x
    x = 510,666,546,622.47/816,076.12
  6. Step 6: Final answer
    x = 625,758.47

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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.