Home / 940,888.10-1,298,418.65-511,171.76

Finding the Fourth Proportional to 940,888.10, 1,298,418.65 and 511,171.76

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Solution

The fourth proportional to 940,888.10, 1,298,418.65 and 511,171.76 is: 705,413.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,888.10 : 1,298,418.65 = 511,171.76 : x
  2. Step 2: Convert to fraction form
    940,888.10/1,298,418.65 = 511,171.76/x
  3. Step 3: Cross multiply
    940,888.10x = 1,298,418.65 × 511,171.76
  4. Step 4: Simplify right side
    940,888.10x = 663,714,946,537.32
  5. Step 5: Solve for x
    x = 663,714,946,537.32/940,888.10
  6. Step 6: Final answer
    x = 705,413.26

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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.