Home / 776,191.44-1,071,142.56-436,659.92

Finding the Fourth Proportional to 776,191.44, 1,071,142.56 and 436,659.92

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Solution

The fourth proportional to 776,191.44, 1,071,142.56 and 436,659.92 is: 602,589.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,191.44 : 1,071,142.56 = 436,659.92 : x
  2. Step 2: Convert to fraction form
    776,191.44/1,071,142.56 = 436,659.92/x
  3. Step 3: Cross multiply
    776,191.44x = 1,071,142.56 × 436,659.92
  4. Step 4: Simplify right side
    776,191.44x = 467,725,024,558.20
  5. Step 5: Solve for x
    x = 467,725,024,558.20/776,191.44
  6. Step 6: Final answer
    x = 602,589.77

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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.