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Finding the Fourth Proportional to 1,230,943, 1,698,760.02 and 694,399

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Solution

The fourth proportional to 1,230,943, 1,698,760.02 and 694,399 is: 958,303.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,943 : 1,698,760.02 = 694,399 : x
  2. Step 2: Convert to fraction form
    1,230,943/1,698,760.02 = 694,399/x
  3. Step 3: Cross multiply
    1,230,943x = 1,698,760.02 × 694,399
  4. Step 4: Simplify right side
    1,230,943x = 1,179,617,259,127.98
  5. Step 5: Solve for x
    x = 1,179,617,259,127.98/1,230,943
  6. Step 6: Final answer
    x = 958,303.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.