Home / 1,294,363.60-1,942,128.60-620,184.40

Finding the Fourth Proportional to 1,294,363.60, 1,942,128.60 and 620,184.40

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Solution

The fourth proportional to 1,294,363.60, 1,942,128.60 and 620,184.40 is: 930,556.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,363.60 : 1,942,128.60 = 620,184.40 : x
  2. Step 2: Convert to fraction form
    1,294,363.60/1,942,128.60 = 620,184.40/x
  3. Step 3: Cross multiply
    1,294,363.60x = 1,942,128.60 × 620,184.40
  4. Step 4: Simplify right side
    1,294,363.60x = 1,204,477,860,513.84
  5. Step 5: Solve for x
    x = 1,204,477,860,513.84/1,294,363.60
  6. Step 6: Final answer
    x = 930,556.04

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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.