Home / 1,238,353.32-1,708,946.82-694,609.80

Finding the Fourth Proportional to 1,238,353.32, 1,708,946.82 and 694,609.80

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Solution

The fourth proportional to 1,238,353.32, 1,708,946.82 and 694,609.80 is: 958,572.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,353.32 : 1,708,946.82 = 694,609.80 : x
  2. Step 2: Convert to fraction form
    1,238,353.32/1,708,946.82 = 694,609.80/x
  3. Step 3: Cross multiply
    1,238,353.32x = 1,708,946.82 × 694,609.80
  4. Step 4: Simplify right side
    1,238,353.32x = 1,187,051,208,850.84
  5. Step 5: Solve for x
    x = 1,187,051,208,850.84/1,238,353.32
  6. Step 6: Final answer
    x = 958,572.32

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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.