Home / 940,695.80-1,298,184.36-511,000.52

Finding the Fourth Proportional to 940,695.80, 1,298,184.36 and 511,000.52

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Solution

The fourth proportional to 940,695.80, 1,298,184.36 and 511,000.52 is: 705,193.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,695.80 : 1,298,184.36 = 511,000.52 : x
  2. Step 2: Convert to fraction form
    940,695.80/1,298,184.36 = 511,000.52/x
  3. Step 3: Cross multiply
    940,695.80x = 1,298,184.36 × 511,000.52
  4. Step 4: Simplify right side
    940,695.80x = 663,372,883,015.87
  5. Step 5: Solve for x
    x = 663,372,883,015.87/940,695.80
  6. Step 6: Final answer
    x = 705,193.84

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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.