Home / 940,890.60-1,298,422.10-511,174.26

Finding the Fourth Proportional to 940,890.60, 1,298,422.10 and 511,174.26

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Solution

The fourth proportional to 940,890.60, 1,298,422.10 and 511,174.26 is: 705,416.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,890.60 : 1,298,422.10 = 511,174.26 : x
  2. Step 2: Convert to fraction form
    940,890.60/1,298,422.10 = 511,174.26/x
  3. Step 3: Cross multiply
    940,890.60x = 1,298,422.10 × 511,174.26
  4. Step 4: Simplify right side
    940,890.60x = 663,719,957,413.08
  5. Step 5: Solve for x
    x = 663,719,957,413.08/940,890.60
  6. Step 6: Final answer
    x = 705,416.72

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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.