Home / 1,077,704.38-1,615,679.88-403,408

Finding the Fourth Proportional to 1,077,704.38, 1,615,679.88 and 403,408

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Solution

The fourth proportional to 1,077,704.38, 1,615,679.88 and 403,408 is: 604,783.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,704.38 : 1,615,679.88 = 403,408 : x
  2. Step 2: Convert to fraction form
    1,077,704.38/1,615,679.88 = 403,408/x
  3. Step 3: Cross multiply
    1,077,704.38x = 1,615,679.88 × 403,408
  4. Step 4: Simplify right side
    1,077,704.38x = 651,778,189,031.04
  5. Step 5: Solve for x
    x = 651,778,189,031.04/1,077,704.38
  6. Step 6: Final answer
    x = 604,783.84

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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.