Home / 619,032.18-928,548.57-408,620.94

Finding the Fourth Proportional to 619,032.18, 928,548.57 and 408,620.94

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Solution

The fourth proportional to 619,032.18, 928,548.57 and 408,620.94 is: 612,931.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,032.18 : 928,548.57 = 408,620.94 : x
  2. Step 2: Convert to fraction form
    619,032.18/928,548.57 = 408,620.94/x
  3. Step 3: Cross multiply
    619,032.18x = 928,548.57 × 408,620.94
  4. Step 4: Simplify right side
    619,032.18x = 379,424,389,509.06
  5. Step 5: Solve for x
    x = 379,424,389,509.06/619,032.18
  6. Step 6: Final answer
    x = 612,931.61

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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.