Home / 497,981.58-687,208.59-271,622.22

Finding the Fourth Proportional to 497,981.58, 687,208.59 and 271,622.22

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Solution

The fourth proportional to 497,981.58, 687,208.59 and 271,622.22 is: 374,835.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,981.58 : 687,208.59 = 271,622.22 : x
  2. Step 2: Convert to fraction form
    497,981.58/687,208.59 = 271,622.22/x
  3. Step 3: Cross multiply
    497,981.58x = 687,208.59 × 271,622.22
  4. Step 4: Simplify right side
    497,981.58x = 186,661,122,818.87
  5. Step 5: Solve for x
    x = 186,661,122,818.87/497,981.58
  6. Step 6: Final answer
    x = 374,835.40

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1.5x scale

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.