Home / 925,328.30-1,387,992.45-552,080.30

Finding the Fourth Proportional to 925,328.30, 1,387,992.45 and 552,080.30

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Solution

The fourth proportional to 925,328.30, 1,387,992.45 and 552,080.30 is: 828,120.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,328.30 : 1,387,992.45 = 552,080.30 : x
  2. Step 2: Convert to fraction form
    925,328.30/1,387,992.45 = 552,080.30/x
  3. Step 3: Cross multiply
    925,328.30x = 1,387,992.45 × 552,080.30
  4. Step 4: Simplify right side
    925,328.30x = 766,283,288,193.74
  5. Step 5: Solve for x
    x = 766,283,288,193.74/925,328.30
  6. Step 6: Final answer
    x = 828,120.45

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Half scale
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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.