Home / 1,369,314.60-2,054,166.30-422,586.60

Finding the Fourth Proportional to 1,369,314.60, 2,054,166.30 and 422,586.60

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Solution

The fourth proportional to 1,369,314.60, 2,054,166.30 and 422,586.60 is: 633,939.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,314.60 : 2,054,166.30 = 422,586.60 : x
  2. Step 2: Convert to fraction form
    1,369,314.60/2,054,166.30 = 422,586.60/x
  3. Step 3: Cross multiply
    1,369,314.60x = 2,054,166.30 × 422,586.60
  4. Step 4: Simplify right side
    1,369,314.60x = 868,063,152,551.58
  5. Step 5: Solve for x
    x = 868,063,152,551.58/1,369,314.60
  6. Step 6: Final answer
    x = 633,939.89

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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.