Home / 863,056.95-1,190,993.81-481,075.53

Finding the Fourth Proportional to 863,056.95, 1,190,993.81 and 481,075.53

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Solution

The fourth proportional to 863,056.95, 1,190,993.81 and 481,075.53 is: 663,870.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,056.95 : 1,190,993.81 = 481,075.53 : x
  2. Step 2: Convert to fraction form
    863,056.95/1,190,993.81 = 481,075.53/x
  3. Step 3: Cross multiply
    863,056.95x = 1,190,993.81 × 481,075.53
  4. Step 4: Simplify right side
    863,056.95x = 572,957,975,967.09
  5. Step 5: Solve for x
    x = 572,957,975,967.09/863,056.95
  6. Step 6: Final answer
    x = 663,870.42

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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.