Home / 940,815.44-1,298,336.40-511,102.36

Finding the Fourth Proportional to 940,815.44, 1,298,336.40 and 511,102.36

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Solution

The fourth proportional to 940,815.44, 1,298,336.40 and 511,102.36 is: 705,327.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,815.44 : 1,298,336.40 = 511,102.36 : x
  2. Step 2: Convert to fraction form
    940,815.44/1,298,336.40 = 511,102.36/x
  3. Step 3: Cross multiply
    940,815.44x = 1,298,336.40 × 511,102.36
  4. Step 4: Simplify right side
    940,815.44x = 663,582,798,113.90
  5. Step 5: Solve for x
    x = 663,582,798,113.90/940,815.44
  6. Step 6: Final answer
    x = 705,327.28

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.