Home / 1,277,803.95-1,763,936.24-825,315.63

Finding the Fourth Proportional to 1,277,803.95, 1,763,936.24 and 825,315.63

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Solution

The fourth proportional to 1,277,803.95, 1,763,936.24 and 825,315.63 is: 1,139,301.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,803.95 : 1,763,936.24 = 825,315.63 : x
  2. Step 2: Convert to fraction form
    1,277,803.95/1,763,936.24 = 825,315.63/x
  3. Step 3: Cross multiply
    1,277,803.95x = 1,763,936.24 × 825,315.63
  4. Step 4: Simplify right side
    1,277,803.95x = 1,455,804,145,068.85
  5. Step 5: Solve for x
    x = 1,455,804,145,068.85/1,277,803.95
  6. Step 6: Final answer
    x = 1,139,301.65

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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.