Home / 1,721,719.40-2,581,412.70-879,578.60

Finding the Fourth Proportional to 1,721,719.40, 2,581,412.70 and 879,578.60

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Solution

The fourth proportional to 1,721,719.40, 2,581,412.70 and 879,578.60 is: 1,318,772.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721,719.40 : 2,581,412.70 = 879,578.60 : x
  2. Step 2: Convert to fraction form
    1,721,719.40/2,581,412.70 = 879,578.60/x
  3. Step 3: Cross multiply
    1,721,719.40x = 2,581,412.70 × 879,578.60
  4. Step 4: Simplify right side
    1,721,719.40x = 2,270,555,368,688.22
  5. Step 5: Solve for x
    x = 2,270,555,368,688.22/1,721,719.40
  6. Step 6: Final answer
    x = 1,318,772.02

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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.