Home / 990,630.25-1,367,075.07-560,994.10

Finding the Fourth Proportional to 990,630.25, 1,367,075.07 and 560,994.10

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Solution

The fourth proportional to 990,630.25, 1,367,075.07 and 560,994.10 is: 774,174.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,630.25 : 1,367,075.07 = 560,994.10 : x
  2. Step 2: Convert to fraction form
    990,630.25/1,367,075.07 = 560,994.10/x
  3. Step 3: Cross multiply
    990,630.25x = 1,367,075.07 × 560,994.10
  4. Step 4: Simplify right side
    990,630.25x = 766,921,048,527.09
  5. Step 5: Solve for x
    x = 766,921,048,527.09/990,630.25
  6. Step 6: Final answer
    x = 774,174.87

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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.