Home / 1,091,135.26-1,636,960.47-343,181.26

Finding the Fourth Proportional to 1,091,135.26, 1,636,960.47 and 343,181.26

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Solution

The fourth proportional to 1,091,135.26, 1,636,960.47 and 343,181.26 is: 514,852.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,135.26 : 1,636,960.47 = 343,181.26 : x
  2. Step 2: Convert to fraction form
    1,091,135.26/1,636,960.47 = 343,181.26/x
  3. Step 3: Cross multiply
    1,091,135.26x = 1,636,960.47 × 343,181.26
  4. Step 4: Simplify right side
    1,091,135.26x = 561,774,156,664.79
  5. Step 5: Solve for x
    x = 561,774,156,664.79/1,091,135.26
  6. Step 6: Final answer
    x = 514,852.90

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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.