Home / 764,280.32-1,054,683.96-437,582.48

Finding the Fourth Proportional to 764,280.32, 1,054,683.96 and 437,582.48

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Solution

The fourth proportional to 764,280.32, 1,054,683.96 and 437,582.48 is: 603,850.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,280.32 : 1,054,683.96 = 437,582.48 : x
  2. Step 2: Convert to fraction form
    764,280.32/1,054,683.96 = 437,582.48/x
  3. Step 3: Cross multiply
    764,280.32x = 1,054,683.96 × 437,582.48
  4. Step 4: Simplify right side
    764,280.32x = 461,511,222,833.02
  5. Step 5: Solve for x
    x = 461,511,222,833.02/764,280.32
  6. Step 6: Final answer
    x = 603,850.72

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1.5x scale

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.