Home / 1,186,751.34-1,638,009.81-677,748.96

Finding the Fourth Proportional to 1,186,751.34, 1,638,009.81 and 677,748.96

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Solution

The fourth proportional to 1,186,751.34, 1,638,009.81 and 677,748.96 is: 935,460.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,751.34 : 1,638,009.81 = 677,748.96 : x
  2. Step 2: Convert to fraction form
    1,186,751.34/1,638,009.81 = 677,748.96/x
  3. Step 3: Cross multiply
    1,186,751.34x = 1,638,009.81 × 677,748.96
  4. Step 4: Simplify right side
    1,186,751.34x = 1,110,159,445,197.30
  5. Step 5: Solve for x
    x = 1,110,159,445,197.30/1,186,751.34
  6. Step 6: Final answer
    x = 935,460.87

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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.