Home / 919,642.48-1,269,094.44-517,234.48

Finding the Fourth Proportional to 919,642.48, 1,269,094.44 and 517,234.48

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Solution

The fourth proportional to 919,642.48, 1,269,094.44 and 517,234.48 is: 713,776.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,642.48 : 1,269,094.44 = 517,234.48 : x
  2. Step 2: Convert to fraction form
    919,642.48/1,269,094.44 = 517,234.48/x
  3. Step 3: Cross multiply
    919,642.48x = 1,269,094.44 × 517,234.48
  4. Step 4: Simplify right side
    919,642.48x = 656,419,402,744.29
  5. Step 5: Solve for x
    x = 656,419,402,744.29/919,642.48
  6. Step 6: Final answer
    x = 713,776.73

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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.