Home / 738,003.92-1,018,413.90-411,299.55

Finding the Fourth Proportional to 738,003.92, 1,018,413.90 and 411,299.55

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Solution

The fourth proportional to 738,003.92, 1,018,413.90 and 411,299.55 is: 567,575.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,003.92 : 1,018,413.90 = 411,299.55 : x
  2. Step 2: Convert to fraction form
    738,003.92/1,018,413.90 = 411,299.55/x
  3. Step 3: Cross multiply
    738,003.92x = 1,018,413.90 × 411,299.55
  4. Step 4: Simplify right side
    738,003.92x = 418,873,178,783.75
  5. Step 5: Solve for x
    x = 418,873,178,783.75/738,003.92
  6. Step 6: Final answer
    x = 567,575.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.