Home / 1,296,953.12-1,946,616.20-657,698.03

Finding the Fourth Proportional to 1,296,953.12, 1,946,616.20 and 657,698.03

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Solution

The fourth proportional to 1,296,953.12, 1,946,616.20 and 657,698.03 is: 987,148.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,953.12 : 1,946,616.20 = 657,698.03 : x
  2. Step 2: Convert to fraction form
    1,296,953.12/1,946,616.20 = 657,698.03/x
  3. Step 3: Cross multiply
    1,296,953.12x = 1,946,616.20 × 657,698.03
  4. Step 4: Simplify right side
    1,296,953.12x = 1,280,285,636,650.69
  5. Step 5: Solve for x
    x = 1,280,285,636,650.69/1,296,953.12
  6. Step 6: Final answer
    x = 987,148.74

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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.