Home / 1,603,520.25-2,212,893.59-915,178.34

Finding the Fourth Proportional to 1,603,520.25, 2,212,893.59 and 915,178.34

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Solution

The fourth proportional to 1,603,520.25, 2,212,893.59 and 915,178.34 is: 1,262,966.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,520.25 : 2,212,893.59 = 915,178.34 : x
  2. Step 2: Convert to fraction form
    1,603,520.25/2,212,893.59 = 915,178.34/x
  3. Step 3: Cross multiply
    1,603,520.25x = 2,212,893.59 × 915,178.34
  4. Step 4: Simplify right side
    1,603,520.25x = 2,025,192,266,652.48
  5. Step 5: Solve for x
    x = 2,025,192,266,652.48/1,603,520.25
  6. Step 6: Final answer
    x = 1,262,966.44

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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.