Home / 919,240.20-1,268,548.02-537,191.28

Finding the Fourth Proportional to 919,240.20, 1,268,548.02 and 537,191.28

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Solution

The fourth proportional to 919,240.20, 1,268,548.02 and 537,191.28 is: 741,321.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,240.20 : 1,268,548.02 = 537,191.28 : x
  2. Step 2: Convert to fraction form
    919,240.20/1,268,548.02 = 537,191.28/x
  3. Step 3: Cross multiply
    919,240.20x = 1,268,548.02 × 537,191.28
  4. Step 4: Simplify right side
    919,240.20x = 681,452,934,605.27
  5. Step 5: Solve for x
    x = 681,452,934,605.27/919,240.20
  6. Step 6: Final answer
    x = 741,321.95

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Double scale
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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.