Home / 764,077.08-1,054,380.06-424,533.72

Finding the Fourth Proportional to 764,077.08, 1,054,380.06 and 424,533.72

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Solution

The fourth proportional to 764,077.08, 1,054,380.06 and 424,533.72 is: 585,830.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,077.08 : 1,054,380.06 = 424,533.72 : x
  2. Step 2: Convert to fraction form
    764,077.08/1,054,380.06 = 424,533.72/x
  3. Step 3: Cross multiply
    764,077.08x = 1,054,380.06 × 424,533.72
  4. Step 4: Simplify right side
    764,077.08x = 447,619,889,165.62
  5. Step 5: Solve for x
    x = 447,619,889,165.62/764,077.08
  6. Step 6: Final answer
    x = 585,830.80

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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.