Home / 940,854.29-1,298,388.03-511,137.50

Finding the Fourth Proportional to 940,854.29, 1,298,388.03 and 511,137.50

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Solution

The fourth proportional to 940,854.29, 1,298,388.03 and 511,137.50 is: 705,374.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,854.29 : 1,298,388.03 = 511,137.50 : x
  2. Step 2: Convert to fraction form
    940,854.29/1,298,388.03 = 511,137.50/x
  3. Step 3: Cross multiply
    940,854.29x = 1,298,388.03 × 511,137.50
  4. Step 4: Simplify right side
    940,854.29x = 663,654,805,192.19
  5. Step 5: Solve for x
    x = 663,654,805,192.19/940,854.29
  6. Step 6: Final answer
    x = 705,374.70

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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.