Home / 768,983.58-1,053,489.95-740,232.60

Finding the Fourth Proportional to 768,983.58, 1,053,489.95 and 740,232.60

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Solution

The fourth proportional to 768,983.58, 1,053,489.95 and 740,232.60 is: 1,014,101.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,983.58 : 1,053,489.95 = 740,232.60 : x
  2. Step 2: Convert to fraction form
    768,983.58/1,053,489.95 = 740,232.60/x
  3. Step 3: Cross multiply
    768,983.58x = 1,053,489.95 × 740,232.60
  4. Step 4: Simplify right side
    768,983.58x = 779,827,601,061.21
  5. Step 5: Solve for x
    x = 779,827,601,061.21/768,983.58
  6. Step 6: Final answer
    x = 1,014,101.76

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.