Home / 653,148.77-979,784.99-253,820.34

Finding the Fourth Proportional to 653,148.77, 979,784.99 and 253,820.34

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Solution

The fourth proportional to 653,148.77, 979,784.99 and 253,820.34 is: 380,754.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,148.77 : 979,784.99 = 253,820.34 : x
  2. Step 2: Convert to fraction form
    653,148.77/979,784.99 = 253,820.34/x
  3. Step 3: Cross multiply
    653,148.77x = 979,784.99 × 253,820.34
  4. Step 4: Simplify right side
    653,148.77x = 248,689,359,288.70
  5. Step 5: Solve for x
    x = 248,689,359,288.70/653,148.77
  6. Step 6: Final answer
    x = 380,754.54

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Double scale
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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.