Home / 1,171,525.71-1,617,543.36-913,690.64

Finding the Fourth Proportional to 1,171,525.71, 1,617,543.36 and 913,690.64

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Solution

The fourth proportional to 1,171,525.71, 1,617,543.36 and 913,690.64 is: 1,261,546.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,525.71 : 1,617,543.36 = 913,690.64 : x
  2. Step 2: Convert to fraction form
    1,171,525.71/1,617,543.36 = 913,690.64/x
  3. Step 3: Cross multiply
    1,171,525.71x = 1,617,543.36 × 913,690.64
  4. Step 4: Simplify right side
    1,171,525.71x = 1,477,934,219,738.43
  5. Step 5: Solve for x
    x = 1,477,934,219,738.43/1,171,525.71
  6. Step 6: Final answer
    x = 1,261,546.55

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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.