Home / 1,075,407.48-1,483,233.39-667,750.68

Finding the Fourth Proportional to 1,075,407.48, 1,483,233.39 and 667,750.68

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Solution

The fourth proportional to 1,075,407.48, 1,483,233.39 and 667,750.68 is: 920,981.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,407.48 : 1,483,233.39 = 667,750.68 : x
  2. Step 2: Convert to fraction form
    1,075,407.48/1,483,233.39 = 667,750.68/x
  3. Step 3: Cross multiply
    1,075,407.48x = 1,483,233.39 × 667,750.68
  4. Step 4: Simplify right side
    1,075,407.48x = 990,430,104,771.21
  5. Step 5: Solve for x
    x = 990,430,104,771.21/1,075,407.48
  6. Step 6: Final answer
    x = 920,981.23

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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.