Home / 764,095.65-1,054,448.46-437,406.86

Finding the Fourth Proportional to 764,095.65, 1,054,448.46 and 437,406.86

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Solution

The fourth proportional to 764,095.65, 1,054,448.46 and 437,406.86 is: 603,619.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,095.65 : 1,054,448.46 = 437,406.86 : x
  2. Step 2: Convert to fraction form
    764,095.65/1,054,448.46 = 437,406.86/x
  3. Step 3: Cross multiply
    764,095.65x = 1,054,448.46 × 437,406.86
  4. Step 4: Simplify right side
    764,095.65x = 461,222,989,920.44
  5. Step 5: Solve for x
    x = 461,222,989,920.44/764,095.65
  6. Step 6: Final answer
    x = 603,619.44

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Double scale
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1.5x scale

Why These Related Problems?

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