Home / 1,173,554.20-1,760,331.30-287,090.20

Finding the Fourth Proportional to 1,173,554.20, 1,760,331.30 and 287,090.20

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Solution

The fourth proportional to 1,173,554.20, 1,760,331.30 and 287,090.20 is: 430,635.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,554.20 : 1,760,331.30 = 287,090.20 : x
  2. Step 2: Convert to fraction form
    1,173,554.20/1,760,331.30 = 287,090.20/x
  3. Step 3: Cross multiply
    1,173,554.20x = 1,760,331.30 × 287,090.20
  4. Step 4: Simplify right side
    1,173,554.20x = 505,373,864,983.26
  5. Step 5: Solve for x
    x = 505,373,864,983.26/1,173,554.20
  6. Step 6: Final answer
    x = 430,635.30

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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.