Home / 1,772,988.72-2,652,775.56-1,087,427.76

Finding the Fourth Proportional to 1,772,988.72, 2,652,775.56 and 1,087,427.76

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Solution

The fourth proportional to 1,772,988.72, 2,652,775.56 and 1,087,427.76 is: 1,627,027.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772,988.72 : 2,652,775.56 = 1,087,427.76 : x
  2. Step 2: Convert to fraction form
    1,772,988.72/2,652,775.56 = 1,087,427.76/x
  3. Step 3: Cross multiply
    1,772,988.72x = 2,652,775.56 × 1,087,427.76
  4. Step 4: Simplify right side
    1,772,988.72x = 2,884,701,784,993.55
  5. Step 5: Solve for x
    x = 2,884,701,784,993.55/1,772,988.72
  6. Step 6: Final answer
    x = 1,627,027.71

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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.