Home / 712,324.74-1,066,790.94-412,172.76

Finding the Fourth Proportional to 712,324.74, 1,066,790.94 and 412,172.76

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Solution

The fourth proportional to 712,324.74, 1,066,790.94 and 412,172.76 is: 617,277.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,324.74 : 1,066,790.94 = 412,172.76 : x
  2. Step 2: Convert to fraction form
    712,324.74/1,066,790.94 = 412,172.76/x
  3. Step 3: Cross multiply
    712,324.74x = 1,066,790.94 × 412,172.76
  4. Step 4: Simplify right side
    712,324.74x = 439,702,166,082.79
  5. Step 5: Solve for x
    x = 439,702,166,082.79/712,324.74
  6. Step 6: Final answer
    x = 617,277.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.