Home / 563,032.12-776,999.44-317,997.22

Finding the Fourth Proportional to 563,032.12, 776,999.44 and 317,997.22

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Solution

The fourth proportional to 563,032.12, 776,999.44 and 317,997.22 is: 438,844.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,032.12 : 776,999.44 = 317,997.22 : x
  2. Step 2: Convert to fraction form
    563,032.12/776,999.44 = 317,997.22/x
  3. Step 3: Cross multiply
    563,032.12x = 776,999.44 × 317,997.22
  4. Step 4: Simplify right side
    563,032.12x = 247,083,661,861.56
  5. Step 5: Solve for x
    x = 247,083,661,861.56/563,032.12
  6. Step 6: Final answer
    x = 438,844.70

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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.