Home / 2,828,121.95-4,242,191.64-698,206.30

Finding the Fourth Proportional to 2,828,121.95, 4,242,191.64 and 698,206.30

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Solution

The fourth proportional to 2,828,121.95, 4,242,191.64 and 698,206.30 is: 1,047,311.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828,121.95 : 4,242,191.64 = 698,206.30 : x
  2. Step 2: Convert to fraction form
    2,828,121.95/4,242,191.64 = 698,206.30/x
  3. Step 3: Cross multiply
    2,828,121.95x = 4,242,191.64 × 698,206.30
  4. Step 4: Simplify right side
    2,828,121.95x = 2,961,924,915,631.58
  5. Step 5: Solve for x
    x = 2,961,924,915,631.58/2,828,121.95
  6. Step 6: Final answer
    x = 1,047,311.60

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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.