Home / 1,275,704.30-1,913,508.59-316,163.06

Finding the Fourth Proportional to 1,275,704.30, 1,913,508.59 and 316,163.06

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Solution

The fourth proportional to 1,275,704.30, 1,913,508.59 and 316,163.06 is: 474,232.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,704.30 : 1,913,508.59 = 316,163.06 : x
  2. Step 2: Convert to fraction form
    1,275,704.30/1,913,508.59 = 316,163.06/x
  3. Step 3: Cross multiply
    1,275,704.30x = 1,913,508.59 × 316,163.06
  4. Step 4: Simplify right side
    1,275,704.30x = 604,980,721,583.14
  5. Step 5: Solve for x
    x = 604,980,721,583.14/1,275,704.30
  6. Step 6: Final answer
    x = 474,232.72

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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.