Home / 698,605.20-1,047,907.80-199,969.20

Finding the Fourth Proportional to 698,605.20, 1,047,907.80 and 199,969.20

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Solution

The fourth proportional to 698,605.20, 1,047,907.80 and 199,969.20 is: 299,953.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,605.20 : 1,047,907.80 = 199,969.20 : x
  2. Step 2: Convert to fraction form
    698,605.20/1,047,907.80 = 199,969.20/x
  3. Step 3: Cross multiply
    698,605.20x = 1,047,907.80 × 199,969.20
  4. Step 4: Simplify right side
    698,605.20x = 209,549,284,439.76
  5. Step 5: Solve for x
    x = 209,549,284,439.76/698,605.20
  6. Step 6: Final answer
    x = 299,953.80

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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.