Home / 1,118,671.56-1,543,713.66-635,173.38

Finding the Fourth Proportional to 1,118,671.56, 1,543,713.66 and 635,173.38

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Solution

The fourth proportional to 1,118,671.56, 1,543,713.66 and 635,173.38 is: 876,509.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,671.56 : 1,543,713.66 = 635,173.38 : x
  2. Step 2: Convert to fraction form
    1,118,671.56/1,543,713.66 = 635,173.38/x
  3. Step 3: Cross multiply
    1,118,671.56x = 1,543,713.66 × 635,173.38
  4. Step 4: Simplify right side
    1,118,671.56x = 980,525,823,174.37
  5. Step 5: Solve for x
    x = 980,525,823,174.37/1,118,671.56
  6. Step 6: Final answer
    x = 876,509.12

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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.