Home / 1,576,978.60-2,364,884.70-512,055.40

Finding the Fourth Proportional to 1,576,978.60, 2,364,884.70 and 512,055.40

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Solution

The fourth proportional to 1,576,978.60, 2,364,884.70 and 512,055.40 is: 767,893.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,576,978.60 : 2,364,884.70 = 512,055.40 : x
  2. Step 2: Convert to fraction form
    1,576,978.60/2,364,884.70 = 512,055.40/x
  3. Step 3: Cross multiply
    1,576,978.60x = 2,364,884.70 × 512,055.40
  4. Step 4: Simplify right side
    1,576,978.60x = 1,210,951,981,012.38
  5. Step 5: Solve for x
    x = 1,210,951,981,012.38/1,576,978.60
  6. Step 6: Final answer
    x = 767,893.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.