Home / 1,078,030.80-1,618,212.60-605,638.80

Finding the Fourth Proportional to 1,078,030.80, 1,618,212.60 and 605,638.80

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Solution

The fourth proportional to 1,078,030.80, 1,618,212.60 and 605,638.80 is: 909,113.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,030.80 : 1,618,212.60 = 605,638.80 : x
  2. Step 2: Convert to fraction form
    1,078,030.80/1,618,212.60 = 605,638.80/x
  3. Step 3: Cross multiply
    1,078,030.80x = 1,618,212.60 × 605,638.80
  4. Step 4: Simplify right side
    1,078,030.80x = 980,052,337,208.88
  5. Step 5: Solve for x
    x = 980,052,337,208.88/1,078,030.80
  6. Step 6: Final answer
    x = 909,113.48

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1.5x scale

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.