Home / 806,001.20-1,207,619.40-384,369.20

Finding the Fourth Proportional to 806,001.20, 1,207,619.40 and 384,369.20

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Solution

The fourth proportional to 806,001.20, 1,207,619.40 and 384,369.20 is: 575,894.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,001.20 : 1,207,619.40 = 384,369.20 : x
  2. Step 2: Convert to fraction form
    806,001.20/1,207,619.40 = 384,369.20/x
  3. Step 3: Cross multiply
    806,001.20x = 1,207,619.40 × 384,369.20
  4. Step 4: Simplify right side
    806,001.20x = 464,171,702,682.48
  5. Step 5: Solve for x
    x = 464,171,702,682.48/806,001.20
  6. Step 6: Final answer
    x = 575,894.56

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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.