Home / 734,722.60-1,013,825.34-407,991.16

Finding the Fourth Proportional to 734,722.60, 1,013,825.34 and 407,991.16

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Solution

The fourth proportional to 734,722.60, 1,013,825.34 and 407,991.16 is: 562,976.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,722.60 : 1,013,825.34 = 407,991.16 : x
  2. Step 2: Convert to fraction form
    734,722.60/1,013,825.34 = 407,991.16/x
  3. Step 3: Cross multiply
    734,722.60x = 1,013,825.34 × 407,991.16
  4. Step 4: Simplify right side
    734,722.60x = 413,631,776,503.99
  5. Step 5: Solve for x
    x = 413,631,776,503.99/734,722.60
  6. Step 6: Final answer
    x = 562,976.80

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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.