Home / 653,116.19-979,684.67-248,314.57

Finding the Fourth Proportional to 653,116.19, 979,684.67 and 248,314.57

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Solution

The fourth proportional to 653,116.19, 979,684.67 and 248,314.57 is: 372,475.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,116.19 : 979,684.67 = 248,314.57 : x
  2. Step 2: Convert to fraction form
    653,116.19/979,684.67 = 248,314.57/x
  3. Step 3: Cross multiply
    653,116.19x = 979,684.67 × 248,314.57
  4. Step 4: Simplify right side
    653,116.19x = 243,269,977,566.64
  5. Step 5: Solve for x
    x = 243,269,977,566.64/653,116.19
  6. Step 6: Final answer
    x = 372,475.80

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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.