Home / 697,116.40-1,045,465.20-247,778.20

Finding the Fourth Proportional to 697,116.40, 1,045,465.20 and 247,778.20

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Solution

The fourth proportional to 697,116.40, 1,045,465.20 and 247,778.20 is: 371,592.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,116.40 : 1,045,465.20 = 247,778.20 : x
  2. Step 2: Convert to fraction form
    697,116.40/1,045,465.20 = 247,778.20/x
  3. Step 3: Cross multiply
    697,116.40x = 1,045,465.20 × 247,778.20
  4. Step 4: Simplify right side
    697,116.40x = 259,043,485,418.64
  5. Step 5: Solve for x
    x = 259,043,485,418.64/697,116.40
  6. Step 6: Final answer
    x = 371,592.87

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1.5x scale

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.