Home / 348,330.20-521,804.10-200,413.40

Finding the Fourth Proportional to 348,330.20, 521,804.10 and 200,413.40

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Solution

The fourth proportional to 348,330.20, 521,804.10 and 200,413.40 is: 300,222.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,330.20 : 521,804.10 = 200,413.40 : x
  2. Step 2: Convert to fraction form
    348,330.20/521,804.10 = 200,413.40/x
  3. Step 3: Cross multiply
    348,330.20x = 521,804.10 × 200,413.40
  4. Step 4: Simplify right side
    348,330.20x = 104,576,533,814.94
  5. Step 5: Solve for x
    x = 104,576,533,814.94/348,330.20
  6. Step 6: Final answer
    x = 300,222.41

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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.