Home / 940,836.48-1,298,305.17-511,115.28

Finding the Fourth Proportional to 940,836.48, 1,298,305.17 and 511,115.28

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Solution

The fourth proportional to 940,836.48, 1,298,305.17 and 511,115.28 is: 705,312.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,836.48 : 1,298,305.17 = 511,115.28 : x
  2. Step 2: Convert to fraction form
    940,836.48/1,298,305.17 = 511,115.28/x
  3. Step 3: Cross multiply
    940,836.48x = 1,298,305.17 × 511,115.28
  4. Step 4: Simplify right side
    940,836.48x = 663,583,610,490.00
  5. Step 5: Solve for x
    x = 663,583,610,490.00/940,836.48
  6. Step 6: Final answer
    x = 705,312.37

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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.