Home / 522,445.03-783,668.38-143,370.95

Finding the Fourth Proportional to 522,445.03, 783,668.38 and 143,370.95

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Solution

The fourth proportional to 522,445.03, 783,668.38 and 143,370.95 is: 215,056.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,445.03 : 783,668.38 = 143,370.95 : x
  2. Step 2: Convert to fraction form
    522,445.03/783,668.38 = 143,370.95/x
  3. Step 3: Cross multiply
    522,445.03x = 783,668.38 × 143,370.95
  4. Step 4: Simplify right side
    522,445.03x = 112,355,281,726.31
  5. Step 5: Solve for x
    x = 112,355,281,726.31/522,445.03
  6. Step 6: Final answer
    x = 215,056.66

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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.