Home / 940,809.45-1,298,328.09-511,096.35

Finding the Fourth Proportional to 940,809.45, 1,298,328.09 and 511,096.35

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Solution

The fourth proportional to 940,809.45, 1,298,328.09 and 511,096.35 is: 705,318.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,809.45 : 1,298,328.09 = 511,096.35 : x
  2. Step 2: Convert to fraction form
    940,809.45/1,298,328.09 = 511,096.35/x
  3. Step 3: Cross multiply
    940,809.45x = 1,298,328.09 × 511,096.35
  4. Step 4: Simplify right side
    940,809.45x = 663,570,747,901.47
  5. Step 5: Solve for x
    x = 663,570,747,901.47/940,809.45
  6. Step 6: Final answer
    x = 705,318.97

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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.