Home / 919,515.60-1,268,911.76-532,347.36

Finding the Fourth Proportional to 919,515.60, 1,268,911.76 and 532,347.36

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Solution

The fourth proportional to 919,515.60, 1,268,911.76 and 532,347.36 is: 734,627.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,515.60 : 1,268,911.76 = 532,347.36 : x
  2. Step 2: Convert to fraction form
    919,515.60/1,268,911.76 = 532,347.36/x
  3. Step 3: Cross multiply
    919,515.60x = 1,268,911.76 × 532,347.36
  4. Step 4: Simplify right side
    919,515.60x = 675,501,825,508.95
  5. Step 5: Solve for x
    x = 675,501,825,508.95/919,515.60
  6. Step 6: Final answer
    x = 734,627.91

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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.