Home / 919,963.17-1,269,549.24-512,056.23

Finding the Fourth Proportional to 919,963.17, 1,269,549.24 and 512,056.23

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Solution

The fourth proportional to 919,963.17, 1,269,549.24 and 512,056.23 is: 706,637.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,963.17 : 1,269,549.24 = 512,056.23 : x
  2. Step 2: Convert to fraction form
    919,963.17/1,269,549.24 = 512,056.23/x
  3. Step 3: Cross multiply
    919,963.17x = 1,269,549.24 × 512,056.23
  4. Step 4: Simplify right side
    919,963.17x = 650,080,597,633.77
  5. Step 5: Solve for x
    x = 650,080,597,633.77/919,963.17
  6. Step 6: Final answer
    x = 706,637.63

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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.