Home / 452,534.07-678,884.40-148,945.26

Finding the Fourth Proportional to 452,534.07, 678,884.40 and 148,945.26

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Solution

The fourth proportional to 452,534.07, 678,884.40 and 148,945.26 is: 223,445.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,534.07 : 678,884.40 = 148,945.26 : x
  2. Step 2: Convert to fraction form
    452,534.07/678,884.40 = 148,945.26/x
  3. Step 3: Cross multiply
    452,534.07x = 678,884.40 × 148,945.26
  4. Step 4: Simplify right side
    452,534.07x = 101,116,613,467.94
  5. Step 5: Solve for x
    x = 101,116,613,467.94/452,534.07
  6. Step 6: Final answer
    x = 223,445.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.