Home / 1,004,255.84-1,385,868.78-545,367.20

Finding the Fourth Proportional to 1,004,255.84, 1,385,868.78 and 545,367.20

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Solution

The fourth proportional to 1,004,255.84, 1,385,868.78 and 545,367.20 is: 752,604.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,255.84 : 1,385,868.78 = 545,367.20 : x
  2. Step 2: Convert to fraction form
    1,004,255.84/1,385,868.78 = 545,367.20/x
  3. Step 3: Cross multiply
    1,004,255.84x = 1,385,868.78 × 545,367.20
  4. Step 4: Simplify right side
    1,004,255.84x = 755,807,369,186.67
  5. Step 5: Solve for x
    x = 755,807,369,186.67/1,004,255.84
  6. Step 6: Final answer
    x = 752,604.41

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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.