Home / 461,941.60-692,912.40-328,097.20

Finding the Fourth Proportional to 461,941.60, 692,912.40 and 328,097.20

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Solution

The fourth proportional to 461,941.60, 692,912.40 and 328,097.20 is: 492,145.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,941.60 : 692,912.40 = 328,097.20 : x
  2. Step 2: Convert to fraction form
    461,941.60/692,912.40 = 328,097.20/x
  3. Step 3: Cross multiply
    461,941.60x = 692,912.40 × 328,097.20
  4. Step 4: Simplify right side
    461,941.60x = 227,342,618,285.28
  5. Step 5: Solve for x
    x = 227,342,618,285.28/461,941.60
  6. Step 6: Final answer
    x = 492,145.80

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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.