Home / 1,075,535.07-1,614,300.12-543,429.78

Finding the Fourth Proportional to 1,075,535.07, 1,614,300.12 and 543,429.78

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Solution

The fourth proportional to 1,075,535.07, 1,614,300.12 and 543,429.78 is: 815,648.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,535.07 : 1,614,300.12 = 543,429.78 : x
  2. Step 2: Convert to fraction form
    1,075,535.07/1,614,300.12 = 543,429.78/x
  3. Step 3: Cross multiply
    1,075,535.07x = 1,614,300.12 × 543,429.78
  4. Step 4: Simplify right side
    1,075,535.07x = 877,258,759,065.57
  5. Step 5: Solve for x
    x = 877,258,759,065.57/1,075,535.07
  6. Step 6: Final answer
    x = 815,648.68

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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.