Home / 452,011.68-678,046.32-152,522.40

Finding the Fourth Proportional to 452,011.68, 678,046.32 and 152,522.40

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Solution

The fourth proportional to 452,011.68, 678,046.32 and 152,522.40 is: 228,793.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,011.68 : 678,046.32 = 152,522.40 : x
  2. Step 2: Convert to fraction form
    452,011.68/678,046.32 = 152,522.40/x
  3. Step 3: Cross multiply
    452,011.68x = 678,046.32 × 152,522.40
  4. Step 4: Simplify right side
    452,011.68x = 103,417,252,037.57
  5. Step 5: Solve for x
    x = 103,417,252,037.57/452,011.68
  6. Step 6: Final answer
    x = 228,793.32

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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.