Home / 969,803.20-1,338,232.62-540,123.31

Finding the Fourth Proportional to 969,803.20, 1,338,232.62 and 540,123.31

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Solution

The fourth proportional to 969,803.20, 1,338,232.62 and 540,123.31 is: 745,316.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,803.20 : 1,338,232.62 = 540,123.31 : x
  2. Step 2: Convert to fraction form
    969,803.20/1,338,232.62 = 540,123.31/x
  3. Step 3: Cross multiply
    969,803.20x = 1,338,232.62 × 540,123.31
  4. Step 4: Simplify right side
    969,803.20x = 722,810,632,264.37
  5. Step 5: Solve for x
    x = 722,810,632,264.37/969,803.20
  6. Step 6: Final answer
    x = 745,316.82

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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.