Home / 537,918.80-806,878.20-163,960.40

Finding the Fourth Proportional to 537,918.80, 806,878.20 and 163,960.40

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Solution

The fourth proportional to 537,918.80, 806,878.20 and 163,960.40 is: 245,940.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,918.80 : 806,878.20 = 163,960.40 : x
  2. Step 2: Convert to fraction form
    537,918.80/806,878.20 = 163,960.40/x
  3. Step 3: Cross multiply
    537,918.80x = 806,878.20 × 163,960.40
  4. Step 4: Simplify right side
    537,918.80x = 132,296,072,423.28
  5. Step 5: Solve for x
    x = 132,296,072,423.28/537,918.80
  6. Step 6: Final answer
    x = 245,940.60

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Double scale
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Similar ratio
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1.5x scale

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.