Home / 903,265.89-1,355,423.70-404,629.89

Finding the Fourth Proportional to 903,265.89, 1,355,423.70 and 404,629.89

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Solution

The fourth proportional to 903,265.89, 1,355,423.70 and 404,629.89 is: 607,179.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,265.89 : 1,355,423.70 = 404,629.89 : x
  2. Step 2: Convert to fraction form
    903,265.89/1,355,423.70 = 404,629.89/x
  3. Step 3: Cross multiply
    903,265.89x = 1,355,423.70 × 404,629.89
  4. Step 4: Simplify right side
    903,265.89x = 548,444,942,634.39
  5. Step 5: Solve for x
    x = 548,444,942,634.39/903,265.89
  6. Step 6: Final answer
    x = 607,179.96

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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.