Home / 718,061.12-990,946.46-412,193.37

Finding the Fourth Proportional to 718,061.12, 990,946.46 and 412,193.37

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Solution

The fourth proportional to 718,061.12, 990,946.46 and 412,193.37 is: 568,839.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,061.12 : 990,946.46 = 412,193.37 : x
  2. Step 2: Convert to fraction form
    718,061.12/990,946.46 = 412,193.37/x
  3. Step 3: Cross multiply
    718,061.12x = 990,946.46 × 412,193.37
  4. Step 4: Simplify right side
    718,061.12x = 408,461,565,583.50
  5. Step 5: Solve for x
    x = 408,461,565,583.50/718,061.12
  6. Step 6: Final answer
    x = 568,839.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.