Home / 766,172.07-1,057,317.40-444,069.00

Finding the Fourth Proportional to 766,172.07, 1,057,317.40 and 444,069.00

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Solution

The fourth proportional to 766,172.07, 1,057,317.40 and 444,069.00 is: 612,815.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,172.07 : 1,057,317.40 = 444,069.00 : x
  2. Step 2: Convert to fraction form
    766,172.07/1,057,317.40 = 444,069.00/x
  3. Step 3: Cross multiply
    766,172.07x = 1,057,317.40 × 444,069.00
  4. Step 4: Simplify right side
    766,172.07x = 469,521,872,993.67
  5. Step 5: Solve for x
    x = 469,521,872,993.67/766,172.07
  6. Step 6: Final answer
    x = 612,815.18

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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.