Home / 1,665,680.40-2,298,636.36-901,733.76

Finding the Fourth Proportional to 1,665,680.40, 2,298,636.36 and 901,733.76

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Solution

The fourth proportional to 1,665,680.40, 2,298,636.36 and 901,733.76 is: 1,244,391.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,680.40 : 2,298,636.36 = 901,733.76 : x
  2. Step 2: Convert to fraction form
    1,665,680.40/2,298,636.36 = 901,733.76/x
  3. Step 3: Cross multiply
    1,665,680.40x = 2,298,636.36 × 901,733.76
  4. Step 4: Simplify right side
    1,665,680.40x = 2,072,758,007,775.51
  5. Step 5: Solve for x
    x = 2,072,758,007,775.51/1,665,680.40
  6. Step 6: Final answer
    x = 1,244,391.19

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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.