Home / 543,869.64-815,720.10-277,826.76

Finding the Fourth Proportional to 543,869.64, 815,720.10 and 277,826.76

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Solution

The fourth proportional to 543,869.64, 815,720.10 and 277,826.76 is: 416,697.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,869.64 : 815,720.10 = 277,826.76 : x
  2. Step 2: Convert to fraction form
    543,869.64/815,720.10 = 277,826.76/x
  3. Step 3: Cross multiply
    543,869.64x = 815,720.10 × 277,826.76
  4. Step 4: Simplify right side
    543,869.64x = 226,628,872,449.88
  5. Step 5: Solve for x
    x = 226,628,872,449.88/543,869.64
  6. Step 6: Final answer
    x = 416,697.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.