Home / 527,834.34-791,740.38-128,477.34

Finding the Fourth Proportional to 527,834.34, 791,740.38 and 128,477.34

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Solution

The fourth proportional to 527,834.34, 791,740.38 and 128,477.34 is: 192,713.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,834.34 : 791,740.38 = 128,477.34 : x
  2. Step 2: Convert to fraction form
    527,834.34/791,740.38 = 128,477.34/x
  3. Step 3: Cross multiply
    527,834.34x = 791,740.38 × 128,477.34
  4. Step 4: Simplify right side
    527,834.34x = 101,720,697,992.99
  5. Step 5: Solve for x
    x = 101,720,697,992.99/527,834.34
  6. Step 6: Final answer
    x = 192,713.30

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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.