Home / 499,531.32-689,352.84-273,176.76

Finding the Fourth Proportional to 499,531.32, 689,352.84 and 273,176.76

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Solution

The fourth proportional to 499,531.32, 689,352.84 and 273,176.76 is: 376,983.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,531.32 : 689,352.84 = 273,176.76 : x
  2. Step 2: Convert to fraction form
    499,531.32/689,352.84 = 273,176.76/x
  3. Step 3: Cross multiply
    499,531.32x = 689,352.84 × 273,176.76
  4. Step 4: Simplify right side
    499,531.32x = 188,315,175,328.00
  5. Step 5: Solve for x
    x = 188,315,175,328.00/499,531.32
  6. Step 6: Final answer
    x = 376,983.72

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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.