Home / 619,127.29-854,518.22-401,605.57

Finding the Fourth Proportional to 619,127.29, 854,518.22 and 401,605.57

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Solution

The fourth proportional to 619,127.29, 854,518.22 and 401,605.57 is: 554,295.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,127.29 : 854,518.22 = 401,605.57 : x
  2. Step 2: Convert to fraction form
    619,127.29/854,518.22 = 401,605.57/x
  3. Step 3: Cross multiply
    619,127.29x = 854,518.22 × 401,605.57
  4. Step 4: Simplify right side
    619,127.29x = 343,179,276,818.49
  5. Step 5: Solve for x
    x = 343,179,276,818.49/619,127.29
  6. Step 6: Final answer
    x = 554,295.19

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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.