Home / 710,647.09-1,066,265.88-311,082.19

Finding the Fourth Proportional to 710,647.09, 1,066,265.88 and 311,082.19

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Solution

The fourth proportional to 710,647.09, 1,066,265.88 and 311,082.19 is: 466,752.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,647.09 : 1,066,265.88 = 311,082.19 : x
  2. Step 2: Convert to fraction form
    710,647.09/1,066,265.88 = 311,082.19/x
  3. Step 3: Cross multiply
    710,647.09x = 1,066,265.88 × 311,082.19
  4. Step 4: Simplify right side
    710,647.09x = 331,696,325,072.68
  5. Step 5: Solve for x
    x = 331,696,325,072.68/710,647.09
  6. Step 6: Final answer
    x = 466,752.53

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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.