Home / 1,191,877.56-1,787,254.38-433,185.36

Finding the Fourth Proportional to 1,191,877.56, 1,787,254.38 and 433,185.36

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Solution

The fourth proportional to 1,191,877.56, 1,787,254.38 and 433,185.36 is: 649,573.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,877.56 : 1,787,254.38 = 433,185.36 : x
  2. Step 2: Convert to fraction form
    1,191,877.56/1,787,254.38 = 433,185.36/x
  3. Step 3: Cross multiply
    1,191,877.56x = 1,787,254.38 × 433,185.36
  4. Step 4: Simplify right side
    1,191,877.56x = 774,212,432,011.88
  5. Step 5: Solve for x
    x = 774,212,432,011.88/1,191,877.56
  6. Step 6: Final answer
    x = 649,573.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.