Home / 764,892.90-1,146,355.20-465,055.20

Finding the Fourth Proportional to 764,892.90, 1,146,355.20 and 465,055.20

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Solution

The fourth proportional to 764,892.90, 1,146,355.20 and 465,055.20 is: 696,984.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,892.90 : 1,146,355.20 = 465,055.20 : x
  2. Step 2: Convert to fraction form
    764,892.90/1,146,355.20 = 465,055.20/x
  3. Step 3: Cross multiply
    764,892.90x = 1,146,355.20 × 465,055.20
  4. Step 4: Simplify right side
    764,892.90x = 533,118,446,807.04
  5. Step 5: Solve for x
    x = 533,118,446,807.04/764,892.90
  6. Step 6: Final answer
    x = 696,984.44

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Double scale
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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.