Home / 1,382,543.52-2,070,635.76-1,153,825.44

Finding the Fourth Proportional to 1,382,543.52, 2,070,635.76 and 1,153,825.44

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Solution

The fourth proportional to 1,382,543.52, 2,070,635.76 and 1,153,825.44 is: 1,728,084.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,543.52 : 2,070,635.76 = 1,153,825.44 : x
  2. Step 2: Convert to fraction form
    1,382,543.52/2,070,635.76 = 1,153,825.44/x
  3. Step 3: Cross multiply
    1,382,543.52x = 2,070,635.76 × 1,153,825.44
  4. Step 4: Simplify right side
    1,382,543.52x = 2,389,152,216,861.73
  5. Step 5: Solve for x
    x = 2,389,152,216,861.73/1,382,543.52
  6. Step 6: Final answer
    x = 1,728,084.64

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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.