Home / 682,423.40-1,023,598.20-209,110.16

Finding the Fourth Proportional to 682,423.40, 1,023,598.20 and 209,110.16

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Solution

The fourth proportional to 682,423.40, 1,023,598.20 and 209,110.16 is: 313,653.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,423.40 : 1,023,598.20 = 209,110.16 : x
  2. Step 2: Convert to fraction form
    682,423.40/1,023,598.20 = 209,110.16/x
  3. Step 3: Cross multiply
    682,423.40x = 1,023,598.20 × 209,110.16
  4. Step 4: Simplify right side
    682,423.40x = 214,044,783,377.71
  5. Step 5: Solve for x
    x = 214,044,783,377.71/682,423.40
  6. Step 6: Final answer
    x = 313,653.93

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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.