Home / 525,624.18-788,934.73-325,338.72

Finding the Fourth Proportional to 525,624.18, 788,934.73 and 325,338.72

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Solution

The fourth proportional to 525,624.18, 788,934.73 and 325,338.72 is: 488,316.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,624.18 : 788,934.73 = 325,338.72 : x
  2. Step 2: Convert to fraction form
    525,624.18/788,934.73 = 325,338.72/x
  3. Step 3: Cross multiply
    525,624.18x = 788,934.73 × 325,338.72
  4. Step 4: Simplify right side
    525,624.18x = 256,671,015,221.75
  5. Step 5: Solve for x
    x = 256,671,015,221.75/525,624.18
  6. Step 6: Final answer
    x = 488,316.61

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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.