Home / 961,429.66-1,326,625.52-553,452.67

Finding the Fourth Proportional to 961,429.66, 1,326,625.52 and 553,452.67

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Solution

The fourth proportional to 961,429.66, 1,326,625.52 and 553,452.67 is: 763,679.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,429.66 : 1,326,625.52 = 553,452.67 : x
  2. Step 2: Convert to fraction form
    961,429.66/1,326,625.52 = 553,452.67/x
  3. Step 3: Cross multiply
    961,429.66x = 1,326,625.52 × 553,452.67
  4. Step 4: Simplify right side
    961,429.66x = 734,224,435,025.16
  5. Step 5: Solve for x
    x = 734,224,435,025.16/961,429.66
  6. Step 6: Final answer
    x = 763,679.83

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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.