Home / 783,777.36-1,175,663.34-215,164.56

Finding the Fourth Proportional to 783,777.36, 1,175,663.34 and 215,164.56

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Solution

The fourth proportional to 783,777.36, 1,175,663.34 and 215,164.56 is: 322,746.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,777.36 : 1,175,663.34 = 215,164.56 : x
  2. Step 2: Convert to fraction form
    783,777.36/1,175,663.34 = 215,164.56/x
  3. Step 3: Cross multiply
    783,777.36x = 1,175,663.34 × 215,164.56
  4. Step 4: Simplify right side
    783,777.36x = 252,961,085,259.23
  5. Step 5: Solve for x
    x = 252,961,085,259.23/783,777.36
  6. Step 6: Final answer
    x = 322,746.10

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1.5x scale

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.