Home / 682,044.61-1,021,737.85-415,143.13

Finding the Fourth Proportional to 682,044.61, 1,021,737.85 and 415,143.13

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Solution

The fourth proportional to 682,044.61, 1,021,737.85 and 415,143.13 is: 621,905.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,044.61 : 1,021,737.85 = 415,143.13 : x
  2. Step 2: Convert to fraction form
    682,044.61/1,021,737.85 = 415,143.13/x
  3. Step 3: Cross multiply
    682,044.61x = 1,021,737.85 × 415,143.13
  4. Step 4: Simplify right side
    682,044.61x = 424,167,449,088.47
  5. Step 5: Solve for x
    x = 424,167,449,088.47/682,044.61
  6. Step 6: Final answer
    x = 621,905.73

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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.