Home / 1,698,777.90-2,548,179.81-620,063.64

Finding the Fourth Proportional to 1,698,777.90, 2,548,179.81 and 620,063.64

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Solution

The fourth proportional to 1,698,777.90, 2,548,179.81 and 620,063.64 is: 930,100.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,698,777.90 : 2,548,179.81 = 620,063.64 : x
  2. Step 2: Convert to fraction form
    1,698,777.90/2,548,179.81 = 620,063.64/x
  3. Step 3: Cross multiply
    1,698,777.90x = 2,548,179.81 × 620,063.64
  4. Step 4: Simplify right side
    1,698,777.90x = 1,580,033,648,363.11
  5. Step 5: Solve for x
    x = 1,580,033,648,363.11/1,698,777.90
  6. Step 6: Final answer
    x = 930,100.19

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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.