Home / 811,453.54-1,119,708.31-467,401.36

Finding the Fourth Proportional to 811,453.54, 1,119,708.31 and 467,401.36

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Solution

The fourth proportional to 811,453.54, 1,119,708.31 and 467,401.36 is: 644,957.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,453.54 : 1,119,708.31 = 467,401.36 : x
  2. Step 2: Convert to fraction form
    811,453.54/1,119,708.31 = 467,401.36/x
  3. Step 3: Cross multiply
    811,453.54x = 1,119,708.31 × 467,401.36
  4. Step 4: Simplify right side
    811,453.54x = 523,353,186,897.30
  5. Step 5: Solve for x
    x = 523,353,186,897.30/811,453.54
  6. Step 6: Final answer
    x = 644,957.67

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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.