Home / 745,321.52-1,117,825.26-239,927.60

Finding the Fourth Proportional to 745,321.52, 1,117,825.26 and 239,927.60

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Solution

The fourth proportional to 745,321.52, 1,117,825.26 and 239,927.60 is: 359,840.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,321.52 : 1,117,825.26 = 239,927.60 : x
  2. Step 2: Convert to fraction form
    745,321.52/1,117,825.26 = 239,927.60/x
  3. Step 3: Cross multiply
    745,321.52x = 1,117,825.26 × 239,927.60
  4. Step 4: Simplify right side
    745,321.52x = 268,197,131,851.18
  5. Step 5: Solve for x
    x = 268,197,131,851.18/745,321.52
  6. Step 6: Final answer
    x = 359,840.85

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1.5x scale

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.