Home / 919,486.66-1,268,871.72-532,318.49

Finding the Fourth Proportional to 919,486.66, 1,268,871.72 and 532,318.49

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Solution

The fourth proportional to 919,486.66, 1,268,871.72 and 532,318.49 is: 734,588.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,486.66 : 1,268,871.72 = 532,318.49 : x
  2. Step 2: Convert to fraction form
    919,486.66/1,268,871.72 = 532,318.49/x
  3. Step 3: Cross multiply
    919,486.66x = 1,268,871.72 × 532,318.49
  4. Step 4: Simplify right side
    919,486.66x = 675,443,877,994.10
  5. Step 5: Solve for x
    x = 675,443,877,994.10/919,486.66
  6. Step 6: Final answer
    x = 734,588.01

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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.