Home / 1,576,319.60-2,363,896.20-511,396.40

Finding the Fourth Proportional to 1,576,319.60, 2,363,896.20 and 511,396.40

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Solution

The fourth proportional to 1,576,319.60, 2,363,896.20 and 511,396.40 is: 766,905.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,576,319.60 : 2,363,896.20 = 511,396.40 : x
  2. Step 2: Convert to fraction form
    1,576,319.60/2,363,896.20 = 511,396.40/x
  3. Step 3: Cross multiply
    1,576,319.60x = 2,363,896.20 × 511,396.40
  4. Step 4: Simplify right side
    1,576,319.60x = 1,208,888,006,653.68
  5. Step 5: Solve for x
    x = 1,208,888,006,653.68/1,576,319.60
  6. Step 6: Final answer
    x = 766,905.40

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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.