Home / 764,889.90-1,146,350.70-465,052.20

Finding the Fourth Proportional to 764,889.90, 1,146,350.70 and 465,052.20

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Solution

The fourth proportional to 764,889.90, 1,146,350.70 and 465,052.20 is: 696,979.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,889.90 : 1,146,350.70 = 465,052.20 : x
  2. Step 2: Convert to fraction form
    764,889.90/1,146,350.70 = 465,052.20/x
  3. Step 3: Cross multiply
    764,889.90x = 1,146,350.70 × 465,052.20
  4. Step 4: Simplify right side
    764,889.90x = 533,112,915,006.54
  5. Step 5: Solve for x
    x = 533,112,915,006.54/764,889.90
  6. Step 6: Final answer
    x = 696,979.94

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1.5x scale

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.