Home / 885,514.70-1,328,272.05-353,117.90

Finding the Fourth Proportional to 885,514.70, 1,328,272.05 and 353,117.90

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Solution

The fourth proportional to 885,514.70, 1,328,272.05 and 353,117.90 is: 529,676.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,514.70 : 1,328,272.05 = 353,117.90 : x
  2. Step 2: Convert to fraction form
    885,514.70/1,328,272.05 = 353,117.90/x
  3. Step 3: Cross multiply
    885,514.70x = 1,328,272.05 × 353,117.90
  4. Step 4: Simplify right side
    885,514.70x = 469,036,636,924.70
  5. Step 5: Solve for x
    x = 469,036,636,924.70/885,514.70
  6. Step 6: Final answer
    x = 529,676.85

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Double scale
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Similar ratio
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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.