Home / 1,296,838.38-1,941,271.65-1,105,519.62

Finding the Fourth Proportional to 1,296,838.38, 1,941,271.65 and 1,105,519.62

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Solution

The fourth proportional to 1,296,838.38, 1,941,271.65 and 1,105,519.62 is: 1,654,881.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,838.38 : 1,941,271.65 = 1,105,519.62 : x
  2. Step 2: Convert to fraction form
    1,296,838.38/1,941,271.65 = 1,105,519.62/x
  3. Step 3: Cross multiply
    1,296,838.38x = 1,941,271.65 × 1,105,519.62
  4. Step 4: Simplify right side
    1,296,838.38x = 2,146,113,896,824.77
  5. Step 5: Solve for x
    x = 2,146,113,896,824.77/1,296,838.38
  6. Step 6: Final answer
    x = 1,654,881.54

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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.