Home / 1,260,745-1,739,828.10-808,036

Finding the Fourth Proportional to 1,260,745, 1,739,828.10 and 808,036

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Solution

The fourth proportional to 1,260,745, 1,739,828.10 and 808,036 is: 1,115,089.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,745 : 1,739,828.10 = 808,036 : x
  2. Step 2: Convert to fraction form
    1,260,745/1,739,828.10 = 808,036/x
  3. Step 3: Cross multiply
    1,260,745x = 1,739,828.10 × 808,036
  4. Step 4: Simplify right side
    1,260,745x = 1,405,843,738,611.60
  5. Step 5: Solve for x
    x = 1,405,843,738,611.60/1,260,745
  6. Step 6: Final answer
    x = 1,115,089.68

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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.