Home / 539,124.30-743,965.02-324,222.66

Finding the Fourth Proportional to 539,124.30, 743,965.02 and 324,222.66

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Solution

The fourth proportional to 539,124.30, 743,965.02 and 324,222.66 is: 447,411.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,124.30 : 743,965.02 = 324,222.66 : x
  2. Step 2: Convert to fraction form
    539,124.30/743,965.02 = 324,222.66/x
  3. Step 3: Cross multiply
    539,124.30x = 743,965.02 × 324,222.66
  4. Step 4: Simplify right side
    539,124.30x = 241,210,317,731.35
  5. Step 5: Solve for x
    x = 241,210,317,731.35/539,124.30
  6. Step 6: Final answer
    x = 447,411.33

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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.