Home / 1,278,230.22-1,763,994.59-705,307.29

Finding the Fourth Proportional to 1,278,230.22, 1,763,994.59 and 705,307.29

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Solution

The fourth proportional to 1,278,230.22, 1,763,994.59 and 705,307.29 is: 973,344.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,230.22 : 1,763,994.59 = 705,307.29 : x
  2. Step 2: Convert to fraction form
    1,278,230.22/1,763,994.59 = 705,307.29/x
  3. Step 3: Cross multiply
    1,278,230.22x = 1,763,994.59 × 705,307.29
  4. Step 4: Simplify right side
    1,278,230.22x = 1,244,158,240,321.02
  5. Step 5: Solve for x
    x = 1,244,158,240,321.02/1,278,230.22
  6. Step 6: Final answer
    x = 973,344.41

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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.