Home / 1,576,219.76-2,364,661.74-511,178.77

Finding the Fourth Proportional to 1,576,219.76, 2,364,661.74 and 511,178.77

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Solution

The fourth proportional to 1,576,219.76, 2,364,661.74 and 511,178.77 is: 766,875.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,576,219.76 : 2,364,661.74 = 511,178.77 : x
  2. Step 2: Convert to fraction form
    1,576,219.76/2,364,661.74 = 511,178.77/x
  3. Step 3: Cross multiply
    1,576,219.76x = 2,364,661.74 × 511,178.77
  4. Step 4: Simplify right side
    1,576,219.76x = 1,208,764,879,719.26
  5. Step 5: Solve for x
    x = 1,208,764,879,719.26/1,576,219.76
  6. Step 6: Final answer
    x = 766,875.86

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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.