Home / 1,053,452.56-1,453,510.80-639,977.32

Finding the Fourth Proportional to 1,053,452.56, 1,453,510.80 and 639,977.32

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Solution

The fourth proportional to 1,053,452.56, 1,453,510.80 and 639,977.32 is: 883,014.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,452.56 : 1,453,510.80 = 639,977.32 : x
  2. Step 2: Convert to fraction form
    1,053,452.56/1,453,510.80 = 639,977.32/x
  3. Step 3: Cross multiply
    1,053,452.56x = 1,453,510.80 × 639,977.32
  4. Step 4: Simplify right side
    1,053,452.56x = 930,213,946,375.06
  5. Step 5: Solve for x
    x = 930,213,946,375.06/1,053,452.56
  6. Step 6: Final answer
    x = 883,014.56

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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.