Home / 1,086,603.60-1,628,593.20-553,850.40

Finding the Fourth Proportional to 1,086,603.60, 1,628,593.20 and 553,850.40

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Solution

The fourth proportional to 1,086,603.60, 1,628,593.20 and 553,850.40 is: 830,106.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,603.60 : 1,628,593.20 = 553,850.40 : x
  2. Step 2: Convert to fraction form
    1,086,603.60/1,628,593.20 = 553,850.40/x
  3. Step 3: Cross multiply
    1,086,603.60x = 1,628,593.20 × 553,850.40
  4. Step 4: Simplify right side
    1,086,603.60x = 901,996,995,257.28
  5. Step 5: Solve for x
    x = 901,996,995,257.28/1,086,603.60
  6. Step 6: Final answer
    x = 830,106.76

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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.