Home / 1,157,618.50-1,735,754.69-438,015.70

Finding the Fourth Proportional to 1,157,618.50, 1,735,754.69 and 438,015.70

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Solution

The fourth proportional to 1,157,618.50, 1,735,754.69 and 438,015.70 is: 656,768.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,618.50 : 1,735,754.69 = 438,015.70 : x
  2. Step 2: Convert to fraction form
    1,157,618.50/1,735,754.69 = 438,015.70/x
  3. Step 3: Cross multiply
    1,157,618.50x = 1,735,754.69 × 438,015.70
  4. Step 4: Simplify right side
    1,157,618.50x = 760,287,805,568.63
  5. Step 5: Solve for x
    x = 760,287,805,568.63/1,157,618.50
  6. Step 6: Final answer
    x = 656,768.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.