Home / 852,158.21-1,277,960.29-283,386.33

Finding the Fourth Proportional to 852,158.21, 1,277,960.29 and 283,386.33

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Solution

The fourth proportional to 852,158.21, 1,277,960.29 and 283,386.33 is: 424,987.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,158.21 : 1,277,960.29 = 283,386.33 : x
  2. Step 2: Convert to fraction form
    852,158.21/1,277,960.29 = 283,386.33/x
  3. Step 3: Cross multiply
    852,158.21x = 1,277,960.29 × 283,386.33
  4. Step 4: Simplify right side
    852,158.21x = 362,156,475,760.37
  5. Step 5: Solve for x
    x = 362,156,475,760.37/852,158.21
  6. Step 6: Final answer
    x = 424,987.37

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Double scale
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Similar ratio
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1.5x scale

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.