Home / 456,121.52-629,420.58-252,160.23

Finding the Fourth Proportional to 456,121.52, 629,420.58 and 252,160.23

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Solution

The fourth proportional to 456,121.52, 629,420.58 and 252,160.23 is: 347,966.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,121.52 : 629,420.58 = 252,160.23 : x
  2. Step 2: Convert to fraction form
    456,121.52/629,420.58 = 252,160.23/x
  3. Step 3: Cross multiply
    456,121.52x = 629,420.58 × 252,160.23
  4. Step 4: Simplify right side
    456,121.52x = 158,714,838,219.53
  5. Step 5: Solve for x
    x = 158,714,838,219.53/456,121.52
  6. Step 6: Final answer
    x = 347,966.13

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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.