Home / 956,718.54-1,320,158.25-543,227.31

Finding the Fourth Proportional to 956,718.54, 1,320,158.25 and 543,227.31

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Solution

The fourth proportional to 956,718.54, 1,320,158.25 and 543,227.31 is: 749,589.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,718.54 : 1,320,158.25 = 543,227.31 : x
  2. Step 2: Convert to fraction form
    956,718.54/1,320,158.25 = 543,227.31/x
  3. Step 3: Cross multiply
    956,718.54x = 1,320,158.25 × 543,227.31
  4. Step 4: Simplify right side
    956,718.54x = 717,146,014,921.81
  5. Step 5: Solve for x
    x = 717,146,014,921.81/956,718.54
  6. Step 6: Final answer
    x = 749,589.34

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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.