Home / 1,692,420.30-2,538,712.46-555,081.88

Finding the Fourth Proportional to 1,692,420.30, 2,538,712.46 and 555,081.88

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Solution

The fourth proportional to 1,692,420.30, 2,538,712.46 and 555,081.88 is: 832,649.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,420.30 : 2,538,712.46 = 555,081.88 : x
  2. Step 2: Convert to fraction form
    1,692,420.30/2,538,712.46 = 555,081.88/x
  3. Step 3: Cross multiply
    1,692,420.30x = 2,538,712.46 × 555,081.88
  4. Step 4: Simplify right side
    1,692,420.30x = 1,409,193,285,076.23
  5. Step 5: Solve for x
    x = 1,409,193,285,076.23/1,692,420.30
  6. Step 6: Final answer
    x = 832,649.72

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Double scale
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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.