Home / 764,051.60-1,146,077.40-444,749.60

Finding the Fourth Proportional to 764,051.60, 1,146,077.40 and 444,749.60

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Solution

The fourth proportional to 764,051.60, 1,146,077.40 and 444,749.60 is: 667,124.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,051.60 : 1,146,077.40 = 444,749.60 : x
  2. Step 2: Convert to fraction form
    764,051.60/1,146,077.40 = 444,749.60/x
  3. Step 3: Cross multiply
    764,051.60x = 1,146,077.40 × 444,749.60
  4. Step 4: Simplify right side
    764,051.60x = 509,717,465,219.04
  5. Step 5: Solve for x
    x = 509,717,465,219.04/764,051.60
  6. Step 6: Final answer
    x = 667,124.40

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Double scale
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Similar ratio
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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.