Home / 1,261,294.60-1,890,816.70-462,389.58

Finding the Fourth Proportional to 1,261,294.60, 1,890,816.70 and 462,389.58

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Solution

The fourth proportional to 1,261,294.60, 1,890,816.70 and 462,389.58 is: 693,171.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,294.60 : 1,890,816.70 = 462,389.58 : x
  2. Step 2: Convert to fraction form
    1,261,294.60/1,890,816.70 = 462,389.58/x
  3. Step 3: Cross multiply
    1,261,294.60x = 1,890,816.70 × 462,389.58
  4. Step 4: Simplify right side
    1,261,294.60x = 874,293,939,769.99
  5. Step 5: Solve for x
    x = 874,293,939,769.99/1,261,294.60
  6. Step 6: Final answer
    x = 693,171.87

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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.