Home / 1,170,021.20-1,755,031.79-283,557.20

Finding the Fourth Proportional to 1,170,021.20, 1,755,031.79 and 283,557.20

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Solution

The fourth proportional to 1,170,021.20, 1,755,031.79 and 283,557.20 is: 425,335.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,021.20 : 1,755,031.79 = 283,557.20 : x
  2. Step 2: Convert to fraction form
    1,170,021.20/1,755,031.79 = 283,557.20/x
  3. Step 3: Cross multiply
    1,170,021.20x = 1,755,031.79 × 283,557.20
  4. Step 4: Simplify right side
    1,170,021.20x = 497,651,890,090.44
  5. Step 5: Solve for x
    x = 497,651,890,090.44/1,170,021.20
  6. Step 6: Final answer
    x = 425,335.79

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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.