Home / 456,137.04-629,420.88-252,155.10

Finding the Fourth Proportional to 456,137.04, 629,420.88 and 252,155.10

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Solution

The fourth proportional to 456,137.04, 629,420.88 and 252,155.10 is: 347,947.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,137.04 : 629,420.88 = 252,155.10 : x
  2. Step 2: Convert to fraction form
    456,137.04/629,420.88 = 252,155.10/x
  3. Step 3: Cross multiply
    456,137.04x = 629,420.88 × 252,155.10
  4. Step 4: Simplify right side
    456,137.04x = 158,711,684,938.49
  5. Step 5: Solve for x
    x = 158,711,684,938.49/456,137.04
  6. Step 6: Final answer
    x = 347,947.37

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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.