Home / 1,224,144.24-1,689,360.06-680,302.94

Finding the Fourth Proportional to 1,224,144.24, 1,689,360.06 and 680,302.94

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Solution

The fourth proportional to 1,224,144.24, 1,689,360.06 and 680,302.94 is: 938,840.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,144.24 : 1,689,360.06 = 680,302.94 : x
  2. Step 2: Convert to fraction form
    1,224,144.24/1,689,360.06 = 680,302.94/x
  3. Step 3: Cross multiply
    1,224,144.24x = 1,689,360.06 × 680,302.94
  4. Step 4: Simplify right side
    1,224,144.24x = 1,149,276,615,536.58
  5. Step 5: Solve for x
    x = 1,149,276,615,536.58/1,224,144.24
  6. Step 6: Final answer
    x = 938,840.85

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Double scale
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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.