Home / 822,617.40-1,233,926.10-692,709.60

Finding the Fourth Proportional to 822,617.40, 1,233,926.10 and 692,709.60

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Solution

The fourth proportional to 822,617.40, 1,233,926.10 and 692,709.60 is: 1,039,064.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,617.40 : 1,233,926.10 = 692,709.60 : x
  2. Step 2: Convert to fraction form
    822,617.40/1,233,926.10 = 692,709.60/x
  3. Step 3: Cross multiply
    822,617.40x = 1,233,926.10 × 692,709.60
  4. Step 4: Simplify right side
    822,617.40x = 854,752,455,160.56
  5. Step 5: Solve for x
    x = 854,752,455,160.56/822,617.40
  6. Step 6: Final answer
    x = 1,039,064.40

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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.