Home / 1,314,601.40-1,971,704.40-415,926.18

Finding the Fourth Proportional to 1,314,601.40, 1,971,704.40 and 415,926.18

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Solution

The fourth proportional to 1,314,601.40, 1,971,704.40 and 415,926.18 is: 623,826.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,601.40 : 1,971,704.40 = 415,926.18 : x
  2. Step 2: Convert to fraction form
    1,314,601.40/1,971,704.40 = 415,926.18/x
  3. Step 3: Cross multiply
    1,314,601.40x = 1,971,704.40 × 415,926.18
  4. Step 4: Simplify right side
    1,314,601.40x = 820,083,479,181.19
  5. Step 5: Solve for x
    x = 820,083,479,181.19/1,314,601.40
  6. Step 6: Final answer
    x = 623,826.72

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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.