Home / 764,305.20-1,146,457.80-587,703.60

Finding the Fourth Proportional to 764,305.20, 1,146,457.80 and 587,703.60

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Solution

The fourth proportional to 764,305.20, 1,146,457.80 and 587,703.60 is: 881,555.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,305.20 : 1,146,457.80 = 587,703.60 : x
  2. Step 2: Convert to fraction form
    764,305.20/1,146,457.80 = 587,703.60/x
  3. Step 3: Cross multiply
    764,305.20x = 1,146,457.80 × 587,703.60
  4. Step 4: Simplify right side
    764,305.20x = 673,777,376,308.08
  5. Step 5: Solve for x
    x = 673,777,376,308.08/764,305.20
  6. Step 6: Final answer
    x = 881,555.40

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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.