Home / 448,514.01-672,771.02-307,846.17

Finding the Fourth Proportional to 448,514.01, 672,771.02 and 307,846.17

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Solution

The fourth proportional to 448,514.01, 672,771.02 and 307,846.17 is: 461,769.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,514.01 : 672,771.02 = 307,846.17 : x
  2. Step 2: Convert to fraction form
    448,514.01/672,771.02 = 307,846.17/x
  3. Step 3: Cross multiply
    448,514.01x = 672,771.02 × 307,846.17
  4. Step 4: Simplify right side
    448,514.01x = 207,109,980,254.76
  5. Step 5: Solve for x
    x = 207,109,980,254.76/448,514.01
  6. Step 6: Final answer
    x = 461,769.26

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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.