Home / 1,977,139.28-2,965,681.20-779,071.97

Finding the Fourth Proportional to 1,977,139.28, 2,965,681.20 and 779,071.97

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Solution

The fourth proportional to 1,977,139.28, 2,965,681.20 and 779,071.97 is: 1,168,597.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,139.28 : 2,965,681.20 = 779,071.97 : x
  2. Step 2: Convert to fraction form
    1,977,139.28/2,965,681.20 = 779,071.97/x
  3. Step 3: Cross multiply
    1,977,139.28x = 2,965,681.20 × 779,071.97
  4. Step 4: Simplify right side
    1,977,139.28x = 2,310,479,100,829.41
  5. Step 5: Solve for x
    x = 2,310,479,100,829.41/1,977,139.28
  6. Step 6: Final answer
    x = 1,168,597.04

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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.