Home / 662,021.40-993,161.70-282,941.40

Finding the Fourth Proportional to 662,021.40, 993,161.70 and 282,941.40

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Solution

The fourth proportional to 662,021.40, 993,161.70 and 282,941.40 is: 424,467.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,021.40 : 993,161.70 = 282,941.40 : x
  2. Step 2: Convert to fraction form
    662,021.40/993,161.70 = 282,941.40/x
  3. Step 3: Cross multiply
    662,021.40x = 993,161.70 × 282,941.40
  4. Step 4: Simplify right side
    662,021.40x = 281,006,561,824.38
  5. Step 5: Solve for x
    x = 281,006,561,824.38/662,021.40
  6. Step 6: Final answer
    x = 424,467.49

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Half scale
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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.