Home / 764,332.64-1,054,771.44-424,793.60

Finding the Fourth Proportional to 764,332.64, 1,054,771.44 and 424,793.60

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Solution

The fourth proportional to 764,332.64, 1,054,771.44 and 424,793.60 is: 586,210.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,332.64 : 1,054,771.44 = 424,793.60 : x
  2. Step 2: Convert to fraction form
    764,332.64/1,054,771.44 = 424,793.60/x
  3. Step 3: Cross multiply
    764,332.64x = 1,054,771.44 × 424,793.60
  4. Step 4: Simplify right side
    764,332.64x = 448,060,157,174.78
  5. Step 5: Solve for x
    x = 448,060,157,174.78/764,332.64
  6. Step 6: Final answer
    x = 586,210.94

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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.