Home / 1,190,496.28-1,785,734.60-480,513.48

Finding the Fourth Proportional to 1,190,496.28, 1,785,734.60 and 480,513.48

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Solution

The fourth proportional to 1,190,496.28, 1,785,734.60 and 480,513.48 is: 720,766.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,496.28 : 1,785,734.60 = 480,513.48 : x
  2. Step 2: Convert to fraction form
    1,190,496.28/1,785,734.60 = 480,513.48/x
  3. Step 3: Cross multiply
    1,190,496.28x = 1,785,734.60 × 480,513.48
  4. Step 4: Simplify right side
    1,190,496.28x = 858,069,547,002.41
  5. Step 5: Solve for x
    x = 858,069,547,002.41/1,190,496.28
  6. Step 6: Final answer
    x = 720,766.26

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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.