Home / 1,078,019.80-1,618,196.10-605,627.80

Finding the Fourth Proportional to 1,078,019.80, 1,618,196.10 and 605,627.80

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Solution

The fourth proportional to 1,078,019.80, 1,618,196.10 and 605,627.80 is: 909,096.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,019.80 : 1,618,196.10 = 605,627.80 : x
  2. Step 2: Convert to fraction form
    1,078,019.80/1,618,196.10 = 605,627.80/x
  3. Step 3: Cross multiply
    1,078,019.80x = 1,618,196.10 × 605,627.80
  4. Step 4: Simplify right side
    1,078,019.80x = 980,024,544,011.58
  5. Step 5: Solve for x
    x = 980,024,544,011.58/1,078,019.80
  6. Step 6: Final answer
    x = 909,096.98

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Double scale
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Similar ratio
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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.