Home / 1,296,075.40-1,943,853.90-622,155.40

Finding the Fourth Proportional to 1,296,075.40, 1,943,853.90 and 622,155.40

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Solution

The fourth proportional to 1,296,075.40, 1,943,853.90 and 622,155.40 is: 933,108.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,075.40 : 1,943,853.90 = 622,155.40 : x
  2. Step 2: Convert to fraction form
    1,296,075.40/1,943,853.90 = 622,155.40/x
  3. Step 3: Cross multiply
    1,296,075.40x = 1,943,853.90 × 622,155.40
  4. Step 4: Simplify right side
    1,296,075.40x = 1,209,379,200,696.06
  5. Step 5: Solve for x
    x = 1,209,379,200,696.06/1,296,075.40
  6. Step 6: Final answer
    x = 933,108.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.