Home / 764,110.11-1,054,449.66-437,412.30

Finding the Fourth Proportional to 764,110.11, 1,054,449.66 and 437,412.30

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Solution

The fourth proportional to 764,110.11, 1,054,449.66 and 437,412.30 is: 603,616.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,110.11 : 1,054,449.66 = 437,412.30 : x
  2. Step 2: Convert to fraction form
    764,110.11/1,054,449.66 = 437,412.30/x
  3. Step 3: Cross multiply
    764,110.11x = 1,054,449.66 × 437,412.30
  4. Step 4: Simplify right side
    764,110.11x = 461,229,254,632.21
  5. Step 5: Solve for x
    x = 461,229,254,632.21/764,110.11
  6. Step 6: Final answer
    x = 603,616.22

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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.