Home / 3,220,492.80-4,830,736.08-824,333.58

Finding the Fourth Proportional to 3,220,492.80, 4,830,736.08 and 824,333.58

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Solution

The fourth proportional to 3,220,492.80, 4,830,736.08 and 824,333.58 is: 1,236,499.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220,492.80 : 4,830,736.08 = 824,333.58 : x
  2. Step 2: Convert to fraction form
    3,220,492.80/4,830,736.08 = 824,333.58/x
  3. Step 3: Cross multiply
    3,220,492.80x = 4,830,736.08 × 824,333.58
  4. Step 4: Simplify right side
    3,220,492.80x = 3,982,137,966,861.57
  5. Step 5: Solve for x
    x = 3,982,137,966,861.57/3,220,492.80
  6. Step 6: Final answer
    x = 1,236,499.57

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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.