Home / 1,543,605.98-2,314,990.67-644,859.68

Finding the Fourth Proportional to 1,543,605.98, 2,314,990.67 and 644,859.68

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Solution

The fourth proportional to 1,543,605.98, 2,314,990.67 and 644,859.68 is: 967,114.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,605.98 : 2,314,990.67 = 644,859.68 : x
  2. Step 2: Convert to fraction form
    1,543,605.98/2,314,990.67 = 644,859.68/x
  3. Step 3: Cross multiply
    1,543,605.98x = 2,314,990.67 × 644,859.68
  4. Step 4: Simplify right side
    1,543,605.98x = 1,492,844,127,859.93
  5. Step 5: Solve for x
    x = 1,492,844,127,859.93/1,543,605.98
  6. Step 6: Final answer
    x = 967,114.76

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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.