Home / 2,953,328.80-4,429,388.40-822,877.60

Finding the Fourth Proportional to 2,953,328.80, 4,429,388.40 and 822,877.60

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Solution

The fourth proportional to 2,953,328.80, 4,429,388.40 and 822,877.60 is: 1,234,147.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,953,328.80 : 4,429,388.40 = 822,877.60 : x
  2. Step 2: Convert to fraction form
    2,953,328.80/4,429,388.40 = 822,877.60/x
  3. Step 3: Cross multiply
    2,953,328.80x = 4,429,388.40 × 822,877.60
  4. Step 4: Simplify right side
    2,953,328.80x = 3,644,844,496,059.84
  5. Step 5: Solve for x
    x = 3,644,844,496,059.84/2,953,328.80
  6. Step 6: Final answer
    x = 1,234,147.89

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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.