Home / 662,683.20-994,316.40-307,514.40

Finding the Fourth Proportional to 662,683.20, 994,316.40 and 307,514.40

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Solution

The fourth proportional to 662,683.20, 994,316.40 and 307,514.40 is: 461,406.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,683.20 : 994,316.40 = 307,514.40 : x
  2. Step 2: Convert to fraction form
    662,683.20/994,316.40 = 307,514.40/x
  3. Step 3: Cross multiply
    662,683.20x = 994,316.40 × 307,514.40
  4. Step 4: Simplify right side
    662,683.20x = 305,766,611,156.16
  5. Step 5: Solve for x
    x = 305,766,611,156.16/662,683.20
  6. Step 6: Final answer
    x = 461,406.92

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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.