Home / 906,515.80-1,359,773.70-808,538.20

Finding the Fourth Proportional to 906,515.80, 1,359,773.70 and 808,538.20

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Solution

The fourth proportional to 906,515.80, 1,359,773.70 and 808,538.20 is: 1,212,807.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,515.80 : 1,359,773.70 = 808,538.20 : x
  2. Step 2: Convert to fraction form
    906,515.80/1,359,773.70 = 808,538.20/x
  3. Step 3: Cross multiply
    906,515.80x = 1,359,773.70 × 808,538.20
  4. Step 4: Simplify right side
    906,515.80x = 1,099,428,979,805.34
  5. Step 5: Solve for x
    x = 1,099,428,979,805.34/906,515.80
  6. Step 6: Final answer
    x = 1,212,807.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.