Home / 453,945.60-681,307.20-201,614.40

Finding the Fourth Proportional to 453,945.60, 681,307.20 and 201,614.40

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Solution

The fourth proportional to 453,945.60, 681,307.20 and 201,614.40 is: 302,594.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,945.60 : 681,307.20 = 201,614.40 : x
  2. Step 2: Convert to fraction form
    453,945.60/681,307.20 = 201,614.40/x
  3. Step 3: Cross multiply
    453,945.60x = 681,307.20 × 201,614.40
  4. Step 4: Simplify right side
    453,945.60x = 137,361,342,343.68
  5. Step 5: Solve for x
    x = 137,361,342,343.68/453,945.60
  6. Step 6: Final answer
    x = 302,594.28

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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.