Home / 764,084.93-1,054,386.14-419,913.48

Finding the Fourth Proportional to 764,084.93, 1,054,386.14 and 419,913.48

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Solution

The fourth proportional to 764,084.93, 1,054,386.14 and 419,913.48 is: 579,452.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,084.93 : 1,054,386.14 = 419,913.48 : x
  2. Step 2: Convert to fraction form
    764,084.93/1,054,386.14 = 419,913.48/x
  3. Step 3: Cross multiply
    764,084.93x = 1,054,386.14 × 419,913.48
  4. Step 4: Simplify right side
    764,084.93x = 442,750,951,211.60
  5. Step 5: Solve for x
    x = 442,750,951,211.60/764,084.93
  6. Step 6: Final answer
    x = 579,452.54

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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.