Home / 418,627.95-577,731.75-246,660.51

Finding the Fourth Proportional to 418,627.95, 577,731.75 and 246,660.51

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Solution

The fourth proportional to 418,627.95, 577,731.75 and 246,660.51 is: 340,406.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,627.95 : 577,731.75 = 246,660.51 : x
  2. Step 2: Convert to fraction form
    418,627.95/577,731.75 = 246,660.51/x
  3. Step 3: Cross multiply
    418,627.95x = 577,731.75 × 246,660.51
  4. Step 4: Simplify right side
    418,627.95x = 142,503,608,098.19
  5. Step 5: Solve for x
    x = 142,503,608,098.19/418,627.95
  6. Step 6: Final answer
    x = 340,406.34

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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.