Home / 741,238.65-1,022,145.59-634,163.13

Finding the Fourth Proportional to 741,238.65, 1,022,145.59 and 634,163.13

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Solution

The fourth proportional to 741,238.65, 1,022,145.59 and 634,163.13 is: 874,491.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,238.65 : 1,022,145.59 = 634,163.13 : x
  2. Step 2: Convert to fraction form
    741,238.65/1,022,145.59 = 634,163.13/x
  3. Step 3: Cross multiply
    741,238.65x = 1,022,145.59 × 634,163.13
  4. Step 4: Simplify right side
    741,238.65x = 648,207,043,499.28
  5. Step 5: Solve for x
    x = 648,207,043,499.28/741,238.65
  6. Step 6: Final answer
    x = 874,491.70

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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.