Home / 436,307.40-654,752.70-199,528.20

Finding the Fourth Proportional to 436,307.40, 654,752.70 and 199,528.20

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Solution

The fourth proportional to 436,307.40, 654,752.70 and 199,528.20 is: 299,425.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,307.40 : 654,752.70 = 199,528.20 : x
  2. Step 2: Convert to fraction form
    436,307.40/654,752.70 = 199,528.20/x
  3. Step 3: Cross multiply
    436,307.40x = 654,752.70 × 199,528.20
  4. Step 4: Simplify right side
    436,307.40x = 130,641,627,676.14
  5. Step 5: Solve for x
    x = 130,641,627,676.14/436,307.40
  6. Step 6: Final answer
    x = 299,425.65

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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.