Home / 1,103,261.20-1,655,352.60-355,536.40

Finding the Fourth Proportional to 1,103,261.20, 1,655,352.60 and 355,536.40

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Solution

The fourth proportional to 1,103,261.20, 1,655,352.60 and 355,536.40 is: 533,453.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,261.20 : 1,655,352.60 = 355,536.40 : x
  2. Step 2: Convert to fraction form
    1,103,261.20/1,655,352.60 = 355,536.40/x
  3. Step 3: Cross multiply
    1,103,261.20x = 1,655,352.60 × 355,536.40
  4. Step 4: Simplify right side
    1,103,261.20x = 588,538,104,134.64
  5. Step 5: Solve for x
    x = 588,538,104,134.64/1,103,261.20
  6. Step 6: Final answer
    x = 533,453.10

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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.