Home / 603,913.40-833,585.94-389,052.68

Finding the Fourth Proportional to 603,913.40, 833,585.94 and 389,052.68

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Solution

The fourth proportional to 603,913.40, 833,585.94 and 389,052.68 is: 537,012.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,913.40 : 833,585.94 = 389,052.68 : x
  2. Step 2: Convert to fraction form
    603,913.40/833,585.94 = 389,052.68/x
  3. Step 3: Cross multiply
    603,913.40x = 833,585.94 × 389,052.68
  4. Step 4: Simplify right side
    603,913.40x = 324,308,843,967.32
  5. Step 5: Solve for x
    x = 324,308,843,967.32/603,913.40
  6. Step 6: Final answer
    x = 537,012.17

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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.