Home / 842,166.05-1,162,307.68-536,144.60

Finding the Fourth Proportional to 842,166.05, 1,162,307.68 and 536,144.60

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Solution

The fourth proportional to 842,166.05, 1,162,307.68 and 536,144.60 is: 739,955.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,166.05 : 1,162,307.68 = 536,144.60 : x
  2. Step 2: Convert to fraction form
    842,166.05/1,162,307.68 = 536,144.60/x
  3. Step 3: Cross multiply
    842,166.05x = 1,162,307.68 × 536,144.60
  4. Step 4: Simplify right side
    842,166.05x = 623,164,987,735.94
  5. Step 5: Solve for x
    x = 623,164,987,735.94/842,166.05
  6. Step 6: Final answer
    x = 739,955.01

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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.