Home / 1,173,963.30-1,620,075.33-664,764.90

Finding the Fourth Proportional to 1,173,963.30, 1,620,075.33 and 664,764.90

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Solution

The fourth proportional to 1,173,963.30, 1,620,075.33 and 664,764.90 is: 917,378.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,963.30 : 1,620,075.33 = 664,764.90 : x
  2. Step 2: Convert to fraction form
    1,173,963.30/1,620,075.33 = 664,764.90/x
  3. Step 3: Cross multiply
    1,173,963.30x = 1,620,075.33 × 664,764.90
  4. Step 4: Simplify right side
    1,173,963.30x = 1,076,969,214,739.92
  5. Step 5: Solve for x
    x = 1,076,969,214,739.92/1,173,963.30
  6. Step 6: Final answer
    x = 917,378.95

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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.