Home / 876,589.07-1,209,487.46-532,415.41

Finding the Fourth Proportional to 876,589.07, 1,209,487.46 and 532,415.41

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Solution

The fourth proportional to 876,589.07, 1,209,487.46 and 532,415.41 is: 734,608.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,589.07 : 1,209,487.46 = 532,415.41 : x
  2. Step 2: Convert to fraction form
    876,589.07/1,209,487.46 = 532,415.41/x
  3. Step 3: Cross multiply
    876,589.07x = 1,209,487.46 × 532,415.41
  4. Step 4: Simplify right side
    876,589.07x = 643,949,756,219.96
  5. Step 5: Solve for x
    x = 643,949,756,219.96/876,589.07
  6. Step 6: Final answer
    x = 734,608.47

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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.