Home / 697,101.40-1,045,442.70-247,763.20

Finding the Fourth Proportional to 697,101.40, 1,045,442.70 and 247,763.20

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Solution

The fourth proportional to 697,101.40, 1,045,442.70 and 247,763.20 is: 371,570.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,101.40 : 1,045,442.70 = 247,763.20 : x
  2. Step 2: Convert to fraction form
    697,101.40/1,045,442.70 = 247,763.20/x
  3. Step 3: Cross multiply
    697,101.40x = 1,045,442.70 × 247,763.20
  4. Step 4: Simplify right side
    697,101.40x = 259,022,228,768.64
  5. Step 5: Solve for x
    x = 259,022,228,768.64/697,101.40
  6. Step 6: Final answer
    x = 371,570.38

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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.