Home / 948,553.52-1,422,830.28-380,192.24

Finding the Fourth Proportional to 948,553.52, 1,422,830.28 and 380,192.24

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Solution

The fourth proportional to 948,553.52, 1,422,830.28 and 380,192.24 is: 570,288.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,553.52 : 1,422,830.28 = 380,192.24 : x
  2. Step 2: Convert to fraction form
    948,553.52/1,422,830.28 = 380,192.24/x
  3. Step 3: Cross multiply
    948,553.52x = 1,422,830.28 × 380,192.24
  4. Step 4: Simplify right side
    948,553.52x = 540,949,031,293.03
  5. Step 5: Solve for x
    x = 540,949,031,293.03/948,553.52
  6. Step 6: Final answer
    x = 570,288.36

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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.