Home / 1,470,577.20-2,205,865.80-405,783.60

Finding the Fourth Proportional to 1,470,577.20, 2,205,865.80 and 405,783.60

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Solution

The fourth proportional to 1,470,577.20, 2,205,865.80 and 405,783.60 is: 608,675.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470,577.20 : 2,205,865.80 = 405,783.60 : x
  2. Step 2: Convert to fraction form
    1,470,577.20/2,205,865.80 = 405,783.60/x
  3. Step 3: Cross multiply
    1,470,577.20x = 2,205,865.80 × 405,783.60
  4. Step 4: Simplify right side
    1,470,577.20x = 895,104,165,440.88
  5. Step 5: Solve for x
    x = 895,104,165,440.88/1,470,577.20
  6. Step 6: Final answer
    x = 608,675.40

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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.