Home / 1,448,648.80-2,172,973.20-1,075,400.80

Finding the Fourth Proportional to 1,448,648.80, 2,172,973.20 and 1,075,400.80

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Solution

The fourth proportional to 1,448,648.80, 2,172,973.20 and 1,075,400.80 is: 1,613,101.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,648.80 : 2,172,973.20 = 1,075,400.80 : x
  2. Step 2: Convert to fraction form
    1,448,648.80/2,172,973.20 = 1,075,400.80/x
  3. Step 3: Cross multiply
    1,448,648.80x = 2,172,973.20 × 1,075,400.80
  4. Step 4: Simplify right side
    1,448,648.80x = 2,336,817,117,658.56
  5. Step 5: Solve for x
    x = 2,336,817,117,658.56/1,448,648.80
  6. Step 6: Final answer
    x = 1,613,101.20

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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.