Home / 764,086.24-1,054,418.16-424,545.76

Finding the Fourth Proportional to 764,086.24, 1,054,418.16 and 424,545.76

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Solution

The fourth proportional to 764,086.24, 1,054,418.16 and 424,545.76 is: 585,861.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,086.24 : 1,054,418.16 = 424,545.76 : x
  2. Step 2: Convert to fraction form
    764,086.24/1,054,418.16 = 424,545.76/x
  3. Step 3: Cross multiply
    764,086.24x = 1,054,418.16 × 424,545.76
  4. Step 4: Simplify right side
    764,086.24x = 447,648,759,095.00
  5. Step 5: Solve for x
    x = 447,648,759,095.00/764,086.24
  6. Step 6: Final answer
    x = 585,861.56

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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.