Home / 764,901.90-1,146,368.70-465,064.20

Finding the Fourth Proportional to 764,901.90, 1,146,368.70 and 465,064.20

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Solution

The fourth proportional to 764,901.90, 1,146,368.70 and 465,064.20 is: 696,997.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,901.90 : 1,146,368.70 = 465,064.20 : x
  2. Step 2: Convert to fraction form
    764,901.90/1,146,368.70 = 465,064.20/x
  3. Step 3: Cross multiply
    764,901.90x = 1,146,368.70 × 465,064.20
  4. Step 4: Simplify right side
    764,901.90x = 533,135,042,370.54
  5. Step 5: Solve for x
    x = 533,135,042,370.54/764,901.90
  6. Step 6: Final answer
    x = 696,997.93

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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.