Home / 919,047.89-1,268,098.38-537,000.86

Finding the Fourth Proportional to 919,047.89, 1,268,098.38 and 537,000.86

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Solution

The fourth proportional to 919,047.89, 1,268,098.38 and 537,000.86 is: 740,951.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,047.89 : 1,268,098.38 = 537,000.86 : x
  2. Step 2: Convert to fraction form
    919,047.89/1,268,098.38 = 537,000.86/x
  3. Step 3: Cross multiply
    919,047.89x = 1,268,098.38 × 537,000.86
  4. Step 4: Simplify right side
    919,047.89x = 680,969,914,284.12
  5. Step 5: Solve for x
    x = 680,969,914,284.12/919,047.89
  6. Step 6: Final answer
    x = 740,951.51

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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.