Home / 1,053,392.07-1,453,525.20-639,713.73

Finding the Fourth Proportional to 1,053,392.07, 1,453,525.20 and 639,713.73

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Solution

The fourth proportional to 1,053,392.07, 1,453,525.20 and 639,713.73 is: 882,710.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,392.07 : 1,453,525.20 = 639,713.73 : x
  2. Step 2: Convert to fraction form
    1,053,392.07/1,453,525.20 = 639,713.73/x
  3. Step 3: Cross multiply
    1,053,392.07x = 1,453,525.20 × 639,713.73
  4. Step 4: Simplify right side
    1,053,392.07x = 929,840,027,341.00
  5. Step 5: Solve for x
    x = 929,840,027,341.00/1,053,392.07
  6. Step 6: Final answer
    x = 882,710.30

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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.