Home / 829,099.10-1,243,509.53-230,121.11

Finding the Fourth Proportional to 829,099.10, 1,243,509.53 and 230,121.11

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Solution

The fourth proportional to 829,099.10, 1,243,509.53 and 230,121.11 is: 345,143.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,099.10 : 1,243,509.53 = 230,121.11 : x
  2. Step 2: Convert to fraction form
    829,099.10/1,243,509.53 = 230,121.11/x
  3. Step 3: Cross multiply
    829,099.10x = 1,243,509.53 × 230,121.11
  4. Step 4: Simplify right side
    829,099.10x = 286,157,793,339.18
  5. Step 5: Solve for x
    x = 286,157,793,339.18/829,099.10
  6. Step 6: Final answer
    x = 345,143.05

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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.