Home / 885,115.70-1,328,657.70-548,536.40

Finding the Fourth Proportional to 885,115.70, 1,328,657.70 and 548,536.40

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Solution

The fourth proportional to 885,115.70, 1,328,657.70 and 548,536.40 is: 823,414.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,115.70 : 1,328,657.70 = 548,536.40 : x
  2. Step 2: Convert to fraction form
    885,115.70/1,328,657.70 = 548,536.40/x
  3. Step 3: Cross multiply
    885,115.70x = 1,328,657.70 × 548,536.40
  4. Step 4: Simplify right side
    885,115.70x = 728,817,111,590.28
  5. Step 5: Solve for x
    x = 728,817,111,590.28/885,115.70
  6. Step 6: Final answer
    x = 823,414.51

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Double scale
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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.