Home / 919,883.61-1,269,426.67-511,985.59

Finding the Fourth Proportional to 919,883.61, 1,269,426.67 and 511,985.59

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Solution

The fourth proportional to 919,883.61, 1,269,426.67 and 511,985.59 is: 706,533.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,883.61 : 1,269,426.67 = 511,985.59 : x
  2. Step 2: Convert to fraction form
    919,883.61/1,269,426.67 = 511,985.59/x
  3. Step 3: Cross multiply
    919,883.61x = 1,269,426.67 × 511,985.59
  4. Step 4: Simplify right side
    919,883.61x = 649,928,158,148.16
  5. Step 5: Solve for x
    x = 649,928,158,148.16/919,883.61
  6. Step 6: Final answer
    x = 706,533.03

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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.