Home / 453,948.60-681,311.70-201,617.40

Finding the Fourth Proportional to 453,948.60, 681,311.70 and 201,617.40

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Solution

The fourth proportional to 453,948.60, 681,311.70 and 201,617.40 is: 302,598.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,948.60 : 681,311.70 = 201,617.40 : x
  2. Step 2: Convert to fraction form
    453,948.60/681,311.70 = 201,617.40/x
  3. Step 3: Cross multiply
    453,948.60x = 681,311.70 × 201,617.40
  4. Step 4: Simplify right side
    453,948.60x = 137,364,293,543.58
  5. Step 5: Solve for x
    x = 137,364,293,543.58/453,948.60
  6. Step 6: Final answer
    x = 302,598.78

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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.