Home / 744,573.06-1,117,420.92-545,403.78

Finding the Fourth Proportional to 744,573.06, 1,117,420.92 and 545,403.78

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Solution

The fourth proportional to 744,573.06, 1,117,420.92 and 545,403.78 is: 818,516.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,573.06 : 1,117,420.92 = 545,403.78 : x
  2. Step 2: Convert to fraction form
    744,573.06/1,117,420.92 = 545,403.78/x
  3. Step 3: Cross multiply
    744,573.06x = 1,117,420.92 × 545,403.78
  4. Step 4: Simplify right side
    744,573.06x = 609,445,593,619.08
  5. Step 5: Solve for x
    x = 609,445,593,619.08/744,573.06
  6. Step 6: Final answer
    x = 818,516.85

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1.5x scale

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.