Home / 919,543.68-1,268,780-537,496.56

Finding the Fourth Proportional to 919,543.68, 1,268,780 and 537,496.56

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Solution

The fourth proportional to 919,543.68, 1,268,780 and 537,496.56 is: 741,634.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,543.68 : 1,268,780 = 537,496.56 : x
  2. Step 2: Convert to fraction form
    919,543.68/1,268,780 = 537,496.56/x
  3. Step 3: Cross multiply
    919,543.68x = 1,268,780 × 537,496.56
  4. Step 4: Simplify right side
    919,543.68x = 681,964,885,396.80
  5. Step 5: Solve for x
    x = 681,964,885,396.80/919,543.68
  6. Step 6: Final answer
    x = 741,634.03

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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.