Home / 612,064.20-918,096.30-543,829.80

Finding the Fourth Proportional to 612,064.20, 918,096.30 and 543,829.80

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Solution

The fourth proportional to 612,064.20, 918,096.30 and 543,829.80 is: 815,744.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,064.20 : 918,096.30 = 543,829.80 : x
  2. Step 2: Convert to fraction form
    612,064.20/918,096.30 = 543,829.80/x
  3. Step 3: Cross multiply
    612,064.20x = 918,096.30 × 543,829.80
  4. Step 4: Simplify right side
    612,064.20x = 499,288,127,209.74
  5. Step 5: Solve for x
    x = 499,288,127,209.74/612,064.20
  6. Step 6: Final answer
    x = 815,744.70

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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.