Home / 1,576,990-2,176,246.20-861,598

Finding the Fourth Proportional to 1,576,990, 2,176,246.20 and 861,598

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Solution

The fourth proportional to 1,576,990, 2,176,246.20 and 861,598 is: 1,189,005.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,576,990 : 2,176,246.20 = 861,598 : x
  2. Step 2: Convert to fraction form
    1,576,990/2,176,246.20 = 861,598/x
  3. Step 3: Cross multiply
    1,576,990x = 2,176,246.20 × 861,598
  4. Step 4: Simplify right side
    1,576,990x = 1,875,049,373,427.60
  5. Step 5: Solve for x
    x = 1,875,049,373,427.60/1,576,990
  6. Step 6: Final answer
    x = 1,189,005.24

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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.