Home / 922,320.30-1,382,824.35-353,481.60

Finding the Fourth Proportional to 922,320.30, 1,382,824.35 and 353,481.60

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Solution

The fourth proportional to 922,320.30, 1,382,824.35 and 353,481.60 is: 529,970.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,320.30 : 1,382,824.35 = 353,481.60 : x
  2. Step 2: Convert to fraction form
    922,320.30/1,382,824.35 = 353,481.60/x
  3. Step 3: Cross multiply
    922,320.30x = 1,382,824.35 × 353,481.60
  4. Step 4: Simplify right side
    922,320.30x = 488,802,963,756.96
  5. Step 5: Solve for x
    x = 488,802,963,756.96/922,320.30
  6. Step 6: Final answer
    x = 529,970.95

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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.