Home / 829,097.60-1,243,339.20-268,150.40

Finding the Fourth Proportional to 829,097.60, 1,243,339.20 and 268,150.40

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Solution

The fourth proportional to 829,097.60, 1,243,339.20 and 268,150.40 is: 402,126.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,097.60 : 1,243,339.20 = 268,150.40 : x
  2. Step 2: Convert to fraction form
    829,097.60/1,243,339.20 = 268,150.40/x
  3. Step 3: Cross multiply
    829,097.60x = 1,243,339.20 × 268,150.40
  4. Step 4: Simplify right side
    829,097.60x = 333,401,903,815.68
  5. Step 5: Solve for x
    x = 333,401,903,815.68/829,097.60
  6. Step 6: Final answer
    x = 402,126.24

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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.