Home / 1,256,906.16-1,736,279.96-1,210,243.01

Finding the Fourth Proportional to 1,256,906.16, 1,736,279.96 and 1,210,243.01

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Solution

The fourth proportional to 1,256,906.16, 1,736,279.96 and 1,210,243.01 is: 1,671,819.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,906.16 : 1,736,279.96 = 1,210,243.01 : x
  2. Step 2: Convert to fraction form
    1,256,906.16/1,736,279.96 = 1,210,243.01/x
  3. Step 3: Cross multiply
    1,256,906.16x = 1,736,279.96 × 1,210,243.01
  4. Step 4: Simplify right side
    1,256,906.16x = 2,101,320,670,260.46
  5. Step 5: Solve for x
    x = 2,101,320,670,260.46/1,256,906.16
  6. Step 6: Final answer
    x = 1,671,819.85

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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.