Home / 619,035.72-928,816.02-338,224.92

Finding the Fourth Proportional to 619,035.72, 928,816.02 and 338,224.92

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Solution

The fourth proportional to 619,035.72, 928,816.02 and 338,224.92 is: 507,480.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,035.72 : 928,816.02 = 338,224.92 : x
  2. Step 2: Convert to fraction form
    619,035.72/928,816.02 = 338,224.92/x
  3. Step 3: Cross multiply
    619,035.72x = 928,816.02 × 338,224.92
  4. Step 4: Simplify right side
    619,035.72x = 314,148,724,059.22
  5. Step 5: Solve for x
    x = 314,148,724,059.22/619,035.72
  6. Step 6: Final answer
    x = 507,480.77

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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.