Home / 519,028.08-716,136.48-315,074.04

Finding the Fourth Proportional to 519,028.08, 716,136.48 and 315,074.04

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Solution

The fourth proportional to 519,028.08, 716,136.48 and 315,074.04 is: 434,727.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,028.08 : 716,136.48 = 315,074.04 : x
  2. Step 2: Convert to fraction form
    519,028.08/716,136.48 = 315,074.04/x
  3. Step 3: Cross multiply
    519,028.08x = 716,136.48 × 315,074.04
  4. Step 4: Simplify right side
    519,028.08x = 225,636,013,944.98
  5. Step 5: Solve for x
    x = 225,636,013,944.98/519,028.08
  6. Step 6: Final answer
    x = 434,727.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.