Home / 1,591,765.47-2,196,388.85-912,570.75

Finding the Fourth Proportional to 1,591,765.47, 2,196,388.85 and 912,570.75

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Solution

The fourth proportional to 1,591,765.47, 2,196,388.85 and 912,570.75 is: 1,259,205.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,765.47 : 2,196,388.85 = 912,570.75 : x
  2. Step 2: Convert to fraction form
    1,591,765.47/2,196,388.85 = 912,570.75/x
  3. Step 3: Cross multiply
    1,591,765.47x = 2,196,388.85 × 912,570.75
  4. Step 4: Simplify right side
    1,591,765.47x = 2,004,360,215,573.28
  5. Step 5: Solve for x
    x = 2,004,360,215,573.28/1,591,765.47
  6. Step 6: Final answer
    x = 1,259,205.74

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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.