Home / 1,309,266.94-1,963,818.85-626,638.63

Finding the Fourth Proportional to 1,309,266.94, 1,963,818.85 and 626,638.63

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Solution

The fourth proportional to 1,309,266.94, 1,963,818.85 and 626,638.63 is: 939,918.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,266.94 : 1,963,818.85 = 626,638.63 : x
  2. Step 2: Convert to fraction form
    1,309,266.94/1,963,818.85 = 626,638.63/x
  3. Step 3: Cross multiply
    1,309,266.94x = 1,963,818.85 × 626,638.63
  4. Step 4: Simplify right side
    1,309,266.94x = 1,230,604,753,732.18
  5. Step 5: Solve for x
    x = 1,230,604,753,732.18/1,309,266.94
  6. Step 6: Final answer
    x = 939,918.91

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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.