Home / 756,645.82-1,044,178.26-417,126.22

Finding the Fourth Proportional to 756,645.82, 1,044,178.26 and 417,126.22

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Solution

The fourth proportional to 756,645.82, 1,044,178.26 and 417,126.22 is: 575,638.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,645.82 : 1,044,178.26 = 417,126.22 : x
  2. Step 2: Convert to fraction form
    756,645.82/1,044,178.26 = 417,126.22/x
  3. Step 3: Cross multiply
    756,645.82x = 1,044,178.26 × 417,126.22
  4. Step 4: Simplify right side
    756,645.82x = 435,554,130,599.98
  5. Step 5: Solve for x
    x = 435,554,130,599.98/756,645.82
  6. Step 6: Final answer
    x = 575,638.06

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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.