Home / 523,974.42-786,114.72-168,980.58

Finding the Fourth Proportional to 523,974.42, 786,114.72 and 168,980.58

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Solution

The fourth proportional to 523,974.42, 786,114.72 and 168,980.58 is: 253,520.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,974.42 : 786,114.72 = 168,980.58 : x
  2. Step 2: Convert to fraction form
    523,974.42/786,114.72 = 168,980.58/x
  3. Step 3: Cross multiply
    523,974.42x = 786,114.72 × 168,980.58
  4. Step 4: Simplify right side
    523,974.42x = 132,838,121,332.14
  5. Step 5: Solve for x
    x = 132,838,121,332.14/523,974.42
  6. Step 6: Final answer
    x = 253,520.24

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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.