Home / 452,298.68-678,526.20-152,781.44

Finding the Fourth Proportional to 452,298.68, 678,526.20 and 152,781.44

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Solution

The fourth proportional to 452,298.68, 678,526.20 and 152,781.44 is: 229,198.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,298.68 : 678,526.20 = 152,781.44 : x
  2. Step 2: Convert to fraction form
    452,298.68/678,526.20 = 152,781.44/x
  3. Step 3: Cross multiply
    452,298.68x = 678,526.20 × 152,781.44
  4. Step 4: Simplify right side
    452,298.68x = 103,666,209,913.73
  5. Step 5: Solve for x
    x = 103,666,209,913.73/452,298.68
  6. Step 6: Final answer
    x = 229,198.57

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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.