Home / 682,218.30-1,021,359.15-416,497.80

Finding the Fourth Proportional to 682,218.30, 1,021,359.15 and 416,497.80

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Solution

The fourth proportional to 682,218.30, 1,021,359.15 and 416,497.80 is: 623,545.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,218.30 : 1,021,359.15 = 416,497.80 : x
  2. Step 2: Convert to fraction form
    682,218.30/1,021,359.15 = 416,497.80/x
  3. Step 3: Cross multiply
    682,218.30x = 1,021,359.15 × 416,497.80
  4. Step 4: Simplify right side
    682,218.30x = 425,393,838,984.87
  5. Step 5: Solve for x
    x = 425,393,838,984.87/682,218.30
  6. Step 6: Final answer
    x = 623,545.04

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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.