Home / 777,948.16-1,073,553.60-438,409.60

Finding the Fourth Proportional to 777,948.16, 1,073,553.60 and 438,409.60

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Solution

The fourth proportional to 777,948.16, 1,073,553.60 and 438,409.60 is: 604,996.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,948.16 : 1,073,553.60 = 438,409.60 : x
  2. Step 2: Convert to fraction form
    777,948.16/1,073,553.60 = 438,409.60/x
  3. Step 3: Cross multiply
    777,948.16x = 1,073,553.60 × 438,409.60
  4. Step 4: Simplify right side
    777,948.16x = 470,656,204,354.56
  5. Step 5: Solve for x
    x = 470,656,204,354.56/777,948.16
  6. Step 6: Final answer
    x = 604,996.87

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1.5x scale

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.