Home / 619,037.83-928,819.19-338,227.03

Finding the Fourth Proportional to 619,037.83, 928,819.19 and 338,227.03

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Solution

The fourth proportional to 619,037.83, 928,819.19 and 338,227.03 is: 507,483.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,037.83 : 928,819.19 = 338,227.03 : x
  2. Step 2: Convert to fraction form
    619,037.83/928,819.19 = 338,227.03/x
  3. Step 3: Cross multiply
    619,037.83x = 928,819.19 × 338,227.03
  4. Step 4: Simplify right side
    619,037.83x = 314,151,756,040.71
  5. Step 5: Solve for x
    x = 314,151,756,040.71/619,037.83
  6. Step 6: Final answer
    x = 507,483.94

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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.