Home / 940,725.14-1,298,739.15-619,369.38

Finding the Fourth Proportional to 940,725.14, 1,298,739.15 and 619,369.38

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Solution

The fourth proportional to 940,725.14, 1,298,739.15 and 619,369.38 is: 855,084.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,725.14 : 1,298,739.15 = 619,369.38 : x
  2. Step 2: Convert to fraction form
    940,725.14/1,298,739.15 = 619,369.38/x
  3. Step 3: Cross multiply
    940,725.14x = 1,298,739.15 × 619,369.38
  4. Step 4: Simplify right side
    940,725.14x = 804,399,262,117.23
  5. Step 5: Solve for x
    x = 804,399,262,117.23/940,725.14
  6. Step 6: Final answer
    x = 855,084.27

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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.