Home / 764,595.50-1,055,143.02-425,063.76

Finding the Fourth Proportional to 764,595.50, 1,055,143.02 and 425,063.76

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Solution

The fourth proportional to 764,595.50, 1,055,143.02 and 425,063.76 is: 586,588.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,595.50 : 1,055,143.02 = 425,063.76 : x
  2. Step 2: Convert to fraction form
    764,595.50/1,055,143.02 = 425,063.76/x
  3. Step 3: Cross multiply
    764,595.50x = 1,055,143.02 × 425,063.76
  4. Step 4: Simplify right side
    764,595.50x = 448,503,059,418.96
  5. Step 5: Solve for x
    x = 448,503,059,418.96/764,595.50
  6. Step 6: Final answer
    x = 586,588.67

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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.