Home / 810,816.82-1,118,950.56-448,264.03

Finding the Fourth Proportional to 810,816.82, 1,118,950.56 and 448,264.03

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Solution

The fourth proportional to 810,816.82, 1,118,950.56 and 448,264.03 is: 618,617.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,816.82 : 1,118,950.56 = 448,264.03 : x
  2. Step 2: Convert to fraction form
    810,816.82/1,118,950.56 = 448,264.03/x
  3. Step 3: Cross multiply
    810,816.82x = 1,118,950.56 × 448,264.03
  4. Step 4: Simplify right side
    810,816.82x = 501,585,290,159.24
  5. Step 5: Solve for x
    x = 501,585,290,159.24/810,816.82
  6. Step 6: Final answer
    x = 618,617.27

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1.5x scale

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.