Home / 1,681,174-2,519,538.96-615,189.76

Finding the Fourth Proportional to 1,681,174, 2,519,538.96 and 615,189.76

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Solution

The fourth proportional to 1,681,174, 2,519,538.96 and 615,189.76 is: 921,971.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,174 : 2,519,538.96 = 615,189.76 : x
  2. Step 2: Convert to fraction form
    1,681,174/2,519,538.96 = 615,189.76/x
  3. Step 3: Cross multiply
    1,681,174x = 2,519,538.96 × 615,189.76
  4. Step 4: Simplify right side
    1,681,174x = 1,549,994,568,113.05
  5. Step 5: Solve for x
    x = 1,549,994,568,113.05/1,681,174
  6. Step 6: Final answer
    x = 921,971.53

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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.