Home / 389,048.07-537,020.28-227,955.27

Finding the Fourth Proportional to 389,048.07, 537,020.28 and 227,955.27

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Solution

The fourth proportional to 389,048.07, 537,020.28 and 227,955.27 is: 314,656.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,048.07 : 537,020.28 = 227,955.27 : x
  2. Step 2: Convert to fraction form
    389,048.07/537,020.28 = 227,955.27/x
  3. Step 3: Cross multiply
    389,048.07x = 537,020.28 × 227,955.27
  4. Step 4: Simplify right side
    389,048.07x = 122,416,602,922.88
  5. Step 5: Solve for x
    x = 122,416,602,922.88/389,048.07
  6. Step 6: Final answer
    x = 314,656.75

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1.5x scale

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.