Home / 347,528.88-519,137.10-252,000.72

Finding the Fourth Proportional to 347,528.88, 519,137.10 and 252,000.72

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Solution

The fourth proportional to 347,528.88, 519,137.10 and 252,000.72 is: 376,437.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,528.88 : 519,137.10 = 252,000.72 : x
  2. Step 2: Convert to fraction form
    347,528.88/519,137.10 = 252,000.72/x
  3. Step 3: Cross multiply
    347,528.88x = 519,137.10 × 252,000.72
  4. Step 4: Simplify right side
    347,528.88x = 130,822,922,978.71
  5. Step 5: Solve for x
    x = 130,822,922,978.71/347,528.88
  6. Step 6: Final answer
    x = 376,437.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.