Home / 919,483.60-1,268,867.51-532,315.42

Finding the Fourth Proportional to 919,483.60, 1,268,867.51 and 532,315.42

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Solution

The fourth proportional to 919,483.60, 1,268,867.51 and 532,315.42 is: 734,583.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,483.60 : 1,268,867.51 = 532,315.42 : x
  2. Step 2: Convert to fraction form
    919,483.60/1,268,867.51 = 532,315.42/x
  3. Step 3: Cross multiply
    919,483.60x = 1,268,867.51 × 532,315.42
  4. Step 4: Simplify right side
    919,483.60x = 675,437,739,743.99
  5. Step 5: Solve for x
    x = 675,437,739,743.99/919,483.60
  6. Step 6: Final answer
    x = 734,583.78

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1.5x scale

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.