Home / 940,611.88-1,298,053.92-510,900.40

Finding the Fourth Proportional to 940,611.88, 1,298,053.92 and 510,900.40

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Solution

The fourth proportional to 940,611.88, 1,298,053.92 and 510,900.40 is: 705,047.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,611.88 : 1,298,053.92 = 510,900.40 : x
  2. Step 2: Convert to fraction form
    940,611.88/1,298,053.92 = 510,900.40/x
  3. Step 3: Cross multiply
    940,611.88x = 1,298,053.92 × 510,900.40
  4. Step 4: Simplify right side
    940,611.88x = 663,176,266,949.57
  5. Step 5: Solve for x
    x = 663,176,266,949.57/940,611.88
  6. Step 6: Final answer
    x = 705,047.73

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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.