Home / 984,278-1,357,914.84-621,566.48

Finding the Fourth Proportional to 984,278, 1,357,914.84 and 621,566.48

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Solution

The fourth proportional to 984,278, 1,357,914.84 and 621,566.48 is: 857,516.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,278 : 1,357,914.84 = 621,566.48 : x
  2. Step 2: Convert to fraction form
    984,278/1,357,914.84 = 621,566.48/x
  3. Step 3: Cross multiply
    984,278x = 1,357,914.84 × 621,566.48
  4. Step 4: Simplify right side
    984,278x = 844,034,347,238.56
  5. Step 5: Solve for x
    x = 844,034,347,238.56/984,278
  6. Step 6: Final answer
    x = 857,516.22

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1.5x scale

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.