Home / 653,205.20-979,555.88-253,793.39

Finding the Fourth Proportional to 653,205.20, 979,555.88 and 253,793.39

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Solution

The fourth proportional to 653,205.20, 979,555.88 and 253,793.39 is: 380,592.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,205.20 : 979,555.88 = 253,793.39 : x
  2. Step 2: Convert to fraction form
    653,205.20/979,555.88 = 253,793.39/x
  3. Step 3: Cross multiply
    653,205.20x = 979,555.88 × 253,793.39
  4. Step 4: Simplify right side
    653,205.20x = 248,604,803,216.34
  5. Step 5: Solve for x
    x = 248,604,803,216.34/653,205.20
  6. Step 6: Final answer
    x = 380,592.20

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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.