Home / 1,277,981.19-1,763,620.02-705,021.21

Finding the Fourth Proportional to 1,277,981.19, 1,763,620.02 and 705,021.21

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Solution

The fourth proportional to 1,277,981.19, 1,763,620.02 and 705,021.21 is: 972,932.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,981.19 : 1,763,620.02 = 705,021.21 : x
  2. Step 2: Convert to fraction form
    1,277,981.19/1,763,620.02 = 705,021.21/x
  3. Step 3: Cross multiply
    1,277,981.19x = 1,763,620.02 × 705,021.21
  4. Step 4: Simplify right side
    1,277,981.19x = 1,243,389,520,480.62
  5. Step 5: Solve for x
    x = 1,243,389,520,480.62/1,277,981.19
  6. Step 6: Final answer
    x = 972,932.57

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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.