Home / 691,968-1,038,417.84-242,693.04

Finding the Fourth Proportional to 691,968, 1,038,417.84 and 242,693.04

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Solution

The fourth proportional to 691,968, 1,038,417.84 and 242,693.04 is: 364,202.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,968 : 1,038,417.84 = 242,693.04 : x
  2. Step 2: Convert to fraction form
    691,968/1,038,417.84 = 242,693.04/x
  3. Step 3: Cross multiply
    691,968x = 1,038,417.84 × 242,693.04
  4. Step 4: Simplify right side
    691,968x = 252,016,782,379.83
  5. Step 5: Solve for x
    x = 252,016,782,379.83/691,968
  6. Step 6: Final answer
    x = 364,202.94

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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.