Home / 1,075,417.23-1,483,246.84-667,760.43

Finding the Fourth Proportional to 1,075,417.23, 1,483,246.84 and 667,760.43

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Solution

The fourth proportional to 1,075,417.23, 1,483,246.84 and 667,760.43 is: 920,994.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,417.23 : 1,483,246.84 = 667,760.43 : x
  2. Step 2: Convert to fraction form
    1,075,417.23/1,483,246.84 = 667,760.43/x
  3. Step 3: Cross multiply
    1,075,417.23x = 1,483,246.84 × 667,760.43
  4. Step 4: Simplify right side
    1,075,417.23x = 990,453,547,674.54
  5. Step 5: Solve for x
    x = 990,453,547,674.54/1,075,417.23
  6. Step 6: Final answer
    x = 920,994.68

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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.