Home / 453,935.60-681,049.20-201,118.40

Finding the Fourth Proportional to 453,935.60, 681,049.20 and 201,118.40

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Solution

The fourth proportional to 453,935.60, 681,049.20 and 201,118.40 is: 301,742.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,935.60 : 681,049.20 = 201,118.40 : x
  2. Step 2: Convert to fraction form
    453,935.60/681,049.20 = 201,118.40/x
  3. Step 3: Cross multiply
    453,935.60x = 681,049.20 × 201,118.40
  4. Step 4: Simplify right side
    453,935.60x = 136,971,525,425.28
  5. Step 5: Solve for x
    x = 136,971,525,425.28/453,935.60
  6. Step 6: Final answer
    x = 301,742.20

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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.