Home / 1,499,928.15-2,069,896.66-811,611.68

Finding the Fourth Proportional to 1,499,928.15, 2,069,896.66 and 811,611.68

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Solution

The fourth proportional to 1,499,928.15, 2,069,896.66 and 811,611.68 is: 1,120,021.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,499,928.15 : 2,069,896.66 = 811,611.68 : x
  2. Step 2: Convert to fraction form
    1,499,928.15/2,069,896.66 = 811,611.68/x
  3. Step 3: Cross multiply
    1,499,928.15x = 2,069,896.66 × 811,611.68
  4. Step 4: Simplify right side
    1,499,928.15x = 1,679,952,294,283.47
  5. Step 5: Solve for x
    x = 1,679,952,294,283.47/1,499,928.15
  6. Step 6: Final answer
    x = 1,120,021.85

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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.