Home / 545,947.68-818,636.40-171,870.24

Finding the Fourth Proportional to 545,947.68, 818,636.40 and 171,870.24

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Solution

The fourth proportional to 545,947.68, 818,636.40 and 171,870.24 is: 257,715.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,947.68 : 818,636.40 = 171,870.24 : x
  2. Step 2: Convert to fraction form
    545,947.68/818,636.40 = 171,870.24/x
  3. Step 3: Cross multiply
    545,947.68x = 818,636.40 × 171,870.24
  4. Step 4: Simplify right side
    545,947.68x = 140,699,234,540.74
  5. Step 5: Solve for x
    x = 140,699,234,540.74/545,947.68
  6. Step 6: Final answer
    x = 257,715.60

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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.