Home / 603,929.16-833,438.28-328,305.58

Finding the Fourth Proportional to 603,929.16, 833,438.28 and 328,305.58

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Solution

The fourth proportional to 603,929.16, 833,438.28 and 328,305.58 is: 453,070.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,929.16 : 833,438.28 = 328,305.58 : x
  2. Step 2: Convert to fraction form
    603,929.16/833,438.28 = 328,305.58/x
  3. Step 3: Cross multiply
    603,929.16x = 833,438.28 × 328,305.58
  4. Step 4: Simplify right side
    603,929.16x = 273,622,437,909.60
  5. Step 5: Solve for x
    x = 273,622,437,909.60/603,929.16
  6. Step 6: Final answer
    x = 453,070.42

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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.