Home / 876,090.75-1,209,005.24-473,682.75

Finding the Fourth Proportional to 876,090.75, 1,209,005.24 and 473,682.75

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Solution

The fourth proportional to 876,090.75, 1,209,005.24 and 473,682.75 is: 653,682.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,090.75 : 1,209,005.24 = 473,682.75 : x
  2. Step 2: Convert to fraction form
    876,090.75/1,209,005.24 = 473,682.75/x
  3. Step 3: Cross multiply
    876,090.75x = 1,209,005.24 × 473,682.75
  4. Step 4: Simplify right side
    876,090.75x = 572,684,924,479.20
  5. Step 5: Solve for x
    x = 572,684,924,479.20/876,090.75
  6. Step 6: Final answer
    x = 653,682.20

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.