Home / 1,543,368.30-2,129,849.94-864,304.80

Finding the Fourth Proportional to 1,543,368.30, 2,129,849.94 and 864,304.80

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Solution

The fourth proportional to 1,543,368.30, 2,129,849.94 and 864,304.80 is: 1,192,741.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,368.30 : 2,129,849.94 = 864,304.80 : x
  2. Step 2: Convert to fraction form
    1,543,368.30/2,129,849.94 = 864,304.80/x
  3. Step 3: Cross multiply
    1,543,368.30x = 2,129,849.94 × 864,304.80
  4. Step 4: Simplify right side
    1,543,368.30x = 1,840,839,526,421.71
  5. Step 5: Solve for x
    x = 1,840,839,526,421.71/1,543,368.30
  6. Step 6: Final answer
    x = 1,192,741.57

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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.