Home / 528,569.76-792,847.71-129,214.02

Finding the Fourth Proportional to 528,569.76, 792,847.71 and 129,214.02

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Solution

The fourth proportional to 528,569.76, 792,847.71 and 129,214.02 is: 193,819.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,569.76 : 792,847.71 = 129,214.02 : x
  2. Step 2: Convert to fraction form
    528,569.76/792,847.71 = 129,214.02/x
  3. Step 3: Cross multiply
    528,569.76x = 792,847.71 × 129,214.02
  4. Step 4: Simplify right side
    528,569.76x = 102,447,039,856.89
  5. Step 5: Solve for x
    x = 102,447,039,856.89/528,569.76
  6. Step 6: Final answer
    x = 193,819.34

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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.