Home / 1,103,453.60-1,655,180.40-355,575.20

Finding the Fourth Proportional to 1,103,453.60, 1,655,180.40 and 355,575.20

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Solution

The fourth proportional to 1,103,453.60, 1,655,180.40 and 355,575.20 is: 533,362.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,453.60 : 1,655,180.40 = 355,575.20 : x
  2. Step 2: Convert to fraction form
    1,103,453.60/1,655,180.40 = 355,575.20/x
  3. Step 3: Cross multiply
    1,103,453.60x = 1,655,180.40 × 355,575.20
  4. Step 4: Simplify right side
    1,103,453.60x = 588,541,101,766.08
  5. Step 5: Solve for x
    x = 588,541,101,766.08/1,103,453.60
  6. Step 6: Final answer
    x = 533,362.80

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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.