Home / 989,093.92-1,483,624.53-315,166.08

Finding the Fourth Proportional to 989,093.92, 1,483,624.53 and 315,166.08

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Solution

The fourth proportional to 989,093.92, 1,483,624.53 and 315,166.08 is: 472,743.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,093.92 : 1,483,624.53 = 315,166.08 : x
  2. Step 2: Convert to fraction form
    989,093.92/1,483,624.53 = 315,166.08/x
  3. Step 3: Cross multiply
    989,093.92x = 1,483,624.53 × 315,166.08
  4. Step 4: Simplify right side
    989,093.92x = 467,588,127,311.94
  5. Step 5: Solve for x
    x = 467,588,127,311.94/989,093.92
  6. Step 6: Final answer
    x = 472,743.91

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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.