Home / 499,223.64-688,928.98-272,869.14

Finding the Fourth Proportional to 499,223.64, 688,928.98 and 272,869.14

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Solution

The fourth proportional to 499,223.64, 688,928.98 and 272,869.14 is: 376,559.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,223.64 : 688,928.98 = 272,869.14 : x
  2. Step 2: Convert to fraction form
    499,223.64/688,928.98 = 272,869.14/x
  3. Step 3: Cross multiply
    499,223.64x = 688,928.98 × 272,869.14
  4. Step 4: Simplify right side
    499,223.64x = 187,987,458,293.68
  5. Step 5: Solve for x
    x = 187,987,458,293.68/499,223.64
  6. Step 6: Final answer
    x = 376,559.61

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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.