Home / 1,153,085.03-1,728,127.29-469,174.86

Finding the Fourth Proportional to 1,153,085.03, 1,728,127.29 and 469,174.86

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Solution

The fourth proportional to 1,153,085.03, 1,728,127.29 and 469,174.86 is: 703,151.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,085.03 : 1,728,127.29 = 469,174.86 : x
  2. Step 2: Convert to fraction form
    1,153,085.03/1,728,127.29 = 469,174.86/x
  3. Step 3: Cross multiply
    1,153,085.03x = 1,728,127.29 × 469,174.86
  4. Step 4: Simplify right side
    1,153,085.03x = 810,793,879,347.93
  5. Step 5: Solve for x
    x = 810,793,879,347.93/1,153,085.03
  6. Step 6: Final answer
    x = 703,151.85

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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.