Home / 476,826.78-715,277.10-135,264.45

Finding the Fourth Proportional to 476,826.78, 715,277.10 and 135,264.45

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Solution

The fourth proportional to 476,826.78, 715,277.10 and 135,264.45 is: 202,907.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,826.78 : 715,277.10 = 135,264.45 : x
  2. Step 2: Convert to fraction form
    476,826.78/715,277.10 = 135,264.45/x
  3. Step 3: Cross multiply
    476,826.78x = 715,277.10 × 135,264.45
  4. Step 4: Simplify right side
    476,826.78x = 96,751,563,529.10
  5. Step 5: Solve for x
    x = 96,751,563,529.10/476,826.78
  6. Step 6: Final answer
    x = 202,907.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.