Home / 1,314,443.32-1,971,950.20-403,628.90

Finding the Fourth Proportional to 1,314,443.32, 1,971,950.20 and 403,628.90

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Solution

The fourth proportional to 1,314,443.32, 1,971,950.20 and 403,628.90 is: 605,530.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,443.32 : 1,971,950.20 = 403,628.90 : x
  2. Step 2: Convert to fraction form
    1,314,443.32/1,971,950.20 = 403,628.90/x
  3. Step 3: Cross multiply
    1,314,443.32x = 1,971,950.20 × 403,628.90
  4. Step 4: Simplify right side
    1,314,443.32x = 795,936,079,211.96
  5. Step 5: Solve for x
    x = 795,936,079,211.96/1,314,443.32
  6. Step 6: Final answer
    x = 605,530.93

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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.