Home / 750,105.49-1,035,148.87-405,941.46

Finding the Fourth Proportional to 750,105.49, 1,035,148.87 and 405,941.46

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Solution

The fourth proportional to 750,105.49, 1,035,148.87 and 405,941.46 is: 560,201.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,105.49 : 1,035,148.87 = 405,941.46 : x
  2. Step 2: Convert to fraction form
    750,105.49/1,035,148.87 = 405,941.46/x
  3. Step 3: Cross multiply
    750,105.49x = 1,035,148.87 × 405,941.46
  4. Step 4: Simplify right side
    750,105.49x = 420,209,848,816.77
  5. Step 5: Solve for x
    x = 420,209,848,816.77/750,105.49
  6. Step 6: Final answer
    x = 560,201.01

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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.