Home / 1,053,635.76-1,453,860.84-639,957.24

Finding the Fourth Proportional to 1,053,635.76, 1,453,860.84 and 639,957.24

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Solution

The fourth proportional to 1,053,635.76, 1,453,860.84 and 639,957.24 is: 883,045.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,635.76 : 1,453,860.84 = 639,957.24 : x
  2. Step 2: Convert to fraction form
    1,053,635.76/1,453,860.84 = 639,957.24/x
  3. Step 3: Cross multiply
    1,053,635.76x = 1,453,860.84 × 639,957.24
  4. Step 4: Simplify right side
    1,053,635.76x = 930,408,770,510.48
  5. Step 5: Solve for x
    x = 930,408,770,510.48/1,053,635.76
  6. Step 6: Final answer
    x = 883,045.93

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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.