Home / 1,078,543.20-1,617,037.20-605,373.60

Finding the Fourth Proportional to 1,078,543.20, 1,617,037.20 and 605,373.60

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Solution

The fourth proportional to 1,078,543.20, 1,617,037.20 and 605,373.60 is: 907,623.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,543.20 : 1,617,037.20 = 605,373.60 : x
  2. Step 2: Convert to fraction form
    1,078,543.20/1,617,037.20 = 605,373.60/x
  3. Step 3: Cross multiply
    1,078,543.20x = 1,617,037.20 × 605,373.60
  4. Step 4: Simplify right side
    1,078,543.20x = 978,911,631,097.92
  5. Step 5: Solve for x
    x = 978,911,631,097.92/1,078,543.20
  6. Step 6: Final answer
    x = 907,623.94

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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.