Home / 603,913.90-833,586.63-389,053.18

Finding the Fourth Proportional to 603,913.90, 833,586.63 and 389,053.18

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Solution

The fourth proportional to 603,913.90, 833,586.63 and 389,053.18 is: 537,012.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,913.90 : 833,586.63 = 389,053.18 : x
  2. Step 2: Convert to fraction form
    603,913.90/833,586.63 = 389,053.18/x
  3. Step 3: Cross multiply
    603,913.90x = 833,586.63 × 389,053.18
  4. Step 4: Simplify right side
    603,913.90x = 324,309,529,206.98
  5. Step 5: Solve for x
    x = 324,309,529,206.98/603,913.90
  6. Step 6: Final answer
    x = 537,012.86

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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.