Home / 750,048.26-1,035,058.56-405,876.63

Finding the Fourth Proportional to 750,048.26, 1,035,058.56 and 405,876.63

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Solution

The fourth proportional to 750,048.26, 1,035,058.56 and 405,876.63 is: 560,105.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,048.26 : 1,035,058.56 = 405,876.63 : x
  2. Step 2: Convert to fraction form
    750,048.26/1,035,058.56 = 405,876.63/x
  3. Step 3: Cross multiply
    750,048.26x = 1,035,058.56 × 405,876.63
  4. Step 4: Simplify right side
    750,048.26x = 420,106,080,185.45
  5. Step 5: Solve for x
    x = 420,106,080,185.45/750,048.26
  6. Step 6: Final answer
    x = 560,105.40

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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.