Home / 919,963.67-1,269,549.93-512,056.73

Finding the Fourth Proportional to 919,963.67, 1,269,549.93 and 512,056.73

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Solution

The fourth proportional to 919,963.67, 1,269,549.93 and 512,056.73 is: 706,638.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,963.67 : 1,269,549.93 = 512,056.73 : x
  2. Step 2: Convert to fraction form
    919,963.67/1,269,549.93 = 512,056.73/x
  3. Step 3: Cross multiply
    919,963.67x = 1,269,549.93 × 512,056.73
  4. Step 4: Simplify right side
    919,963.67x = 650,081,585,727.53
  5. Step 5: Solve for x
    x = 650,081,585,727.53/919,963.67
  6. Step 6: Final answer
    x = 706,638.32

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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.