Home / 734,605.38-1,013,762.94-412,309.02

Finding the Fourth Proportional to 734,605.38, 1,013,762.94 and 412,309.02

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Solution

The fourth proportional to 734,605.38, 1,013,762.94 and 412,309.02 is: 568,990.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,605.38 : 1,013,762.94 = 412,309.02 : x
  2. Step 2: Convert to fraction form
    734,605.38/1,013,762.94 = 412,309.02/x
  3. Step 3: Cross multiply
    734,605.38x = 1,013,762.94 × 412,309.02
  4. Step 4: Simplify right side
    734,605.38x = 417,983,604,303.72
  5. Step 5: Solve for x
    x = 417,983,604,303.72/734,605.38
  6. Step 6: Final answer
    x = 568,990.67

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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.