Home / 1,007,410.09-1,390,250.84-548,549.80

Finding the Fourth Proportional to 1,007,410.09, 1,390,250.84 and 548,549.80

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Solution

The fourth proportional to 1,007,410.09, 1,390,250.84 and 548,549.80 is: 757,012.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,410.09 : 1,390,250.84 = 548,549.80 : x
  2. Step 2: Convert to fraction form
    1,007,410.09/1,390,250.84 = 548,549.80/x
  3. Step 3: Cross multiply
    1,007,410.09x = 1,390,250.84 × 548,549.80
  4. Step 4: Simplify right side
    1,007,410.09x = 762,621,820,231.83
  5. Step 5: Solve for x
    x = 762,621,820,231.83/1,007,410.09
  6. Step 6: Final answer
    x = 757,012.29

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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.