Home / 764,114.10-1,054,150.38-477,135.96

Finding the Fourth Proportional to 764,114.10, 1,054,150.38 and 477,135.96

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Solution

The fourth proportional to 764,114.10, 1,054,150.38 and 477,135.96 is: 658,243.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,114.10 : 1,054,150.38 = 477,135.96 : x
  2. Step 2: Convert to fraction form
    764,114.10/1,054,150.38 = 477,135.96/x
  3. Step 3: Cross multiply
    764,114.10x = 1,054,150.38 × 477,135.96
  4. Step 4: Simplify right side
    764,114.10x = 502,973,053,545.67
  5. Step 5: Solve for x
    x = 502,973,053,545.67/764,114.10
  6. Step 6: Final answer
    x = 658,243.39

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.