Home / 371,028.07-512,027.41-207,680.51

Finding the Fourth Proportional to 371,028.07, 512,027.41 and 207,680.51

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Solution

The fourth proportional to 371,028.07, 512,027.41 and 207,680.51 is: 286,603.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,028.07 : 512,027.41 = 207,680.51 : x
  2. Step 2: Convert to fraction form
    371,028.07/512,027.41 = 207,680.51/x
  3. Step 3: Cross multiply
    371,028.07x = 512,027.41 × 207,680.51
  4. Step 4: Simplify right side
    371,028.07x = 106,338,115,525.04
  5. Step 5: Solve for x
    x = 106,338,115,525.04/371,028.07
  6. Step 6: Final answer
    x = 286,603.96

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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.