Home / 961,963.34-1,327,488.91-526,378.88

Finding the Fourth Proportional to 961,963.34, 1,327,488.91 and 526,378.88

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Solution

The fourth proportional to 961,963.34, 1,327,488.91 and 526,378.88 is: 726,391.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,963.34 : 1,327,488.91 = 526,378.88 : x
  2. Step 2: Convert to fraction form
    961,963.34/1,327,488.91 = 526,378.88/x
  3. Step 3: Cross multiply
    961,963.34x = 1,327,488.91 × 526,378.88
  4. Step 4: Simplify right side
    961,963.34x = 698,762,127,661.00
  5. Step 5: Solve for x
    x = 698,762,127,661.00/961,963.34
  6. Step 6: Final answer
    x = 726,391.64

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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.