Home / 804,921.90-1,207,528.65-404,555.10

Finding the Fourth Proportional to 804,921.90, 1,207,528.65 and 404,555.10

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Solution

The fourth proportional to 804,921.90, 1,207,528.65 and 404,555.10 is: 606,905.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,921.90 : 1,207,528.65 = 404,555.10 : x
  2. Step 2: Convert to fraction form
    804,921.90/1,207,528.65 = 404,555.10/x
  3. Step 3: Cross multiply
    804,921.90x = 1,207,528.65 × 404,555.10
  4. Step 4: Simplify right side
    804,921.90x = 488,511,873,753.62
  5. Step 5: Solve for x
    x = 488,511,873,753.62/804,921.90
  6. Step 6: Final answer
    x = 606,905.93

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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.