Home / 525,328.92-788,071.14-192,879

Finding the Fourth Proportional to 525,328.92, 788,071.14 and 192,879

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Solution

The fourth proportional to 525,328.92, 788,071.14 and 192,879 is: 289,347.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,328.92 : 788,071.14 = 192,879 : x
  2. Step 2: Convert to fraction form
    525,328.92/788,071.14 = 192,879/x
  3. Step 3: Cross multiply
    525,328.92x = 788,071.14 × 192,879
  4. Step 4: Simplify right side
    525,328.92x = 152,002,373,412.06
  5. Step 5: Solve for x
    x = 152,002,373,412.06/525,328.92
  6. Step 6: Final answer
    x = 289,347.05

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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.