Home / 965,400.42-1,332,261.75-535,720.54

Finding the Fourth Proportional to 965,400.42, 1,332,261.75 and 535,720.54

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Solution

The fourth proportional to 965,400.42, 1,332,261.75 and 535,720.54 is: 739,299.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,400.42 : 1,332,261.75 = 535,720.54 : x
  2. Step 2: Convert to fraction form
    965,400.42/1,332,261.75 = 535,720.54/x
  3. Step 3: Cross multiply
    965,400.42x = 1,332,261.75 × 535,720.54
  4. Step 4: Simplify right side
    965,400.42x = 713,719,984,131.35
  5. Step 5: Solve for x
    x = 713,719,984,131.35/965,400.42
  6. Step 6: Final answer
    x = 739,299.43

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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.