Home / 1,078,017.80-1,618,193.10-605,625.80

Finding the Fourth Proportional to 1,078,017.80, 1,618,193.10 and 605,625.80

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Solution

The fourth proportional to 1,078,017.80, 1,618,193.10 and 605,625.80 is: 909,093.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,017.80 : 1,618,193.10 = 605,625.80 : x
  2. Step 2: Convert to fraction form
    1,078,017.80/1,618,193.10 = 605,625.80/x
  3. Step 3: Cross multiply
    1,078,017.80x = 1,618,193.10 × 605,625.80
  4. Step 4: Simplify right side
    1,078,017.80x = 980,019,490,741.98
  5. Step 5: Solve for x
    x = 980,019,490,741.98/1,078,017.80
  6. Step 6: Final answer
    x = 909,093.98

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Double scale
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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.