Home / 829,172.86-1,144,245.12-466,596.50

Finding the Fourth Proportional to 829,172.86, 1,144,245.12 and 466,596.50

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Solution

The fourth proportional to 829,172.86, 1,144,245.12 and 466,596.50 is: 643,895.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,172.86 : 1,144,245.12 = 466,596.50 : x
  2. Step 2: Convert to fraction form
    829,172.86/1,144,245.12 = 466,596.50/x
  3. Step 3: Cross multiply
    829,172.86x = 1,144,245.12 × 466,596.50
  4. Step 4: Simplify right side
    829,172.86x = 533,900,768,134.08
  5. Step 5: Solve for x
    x = 533,900,768,134.08/829,172.86
  6. Step 6: Final answer
    x = 643,895.61

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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.