Home / 1,157,840.78-1,736,745.51-517,975.34

Finding the Fourth Proportional to 1,157,840.78, 1,736,745.51 and 517,975.34

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Solution

The fourth proportional to 1,157,840.78, 1,736,745.51 and 517,975.34 is: 776,956.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,840.78 : 1,736,745.51 = 517,975.34 : x
  2. Step 2: Convert to fraction form
    1,157,840.78/1,736,745.51 = 517,975.34/x
  3. Step 3: Cross multiply
    1,157,840.78x = 1,736,745.51 × 517,975.34
  4. Step 4: Simplify right side
    1,157,840.78x = 899,591,346,035.72
  5. Step 5: Solve for x
    x = 899,591,346,035.72/1,157,840.78
  6. Step 6: Final answer
    x = 776,956.00

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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.