Home / 862,108.95-1,293,162.62-406,593.90

Finding the Fourth Proportional to 862,108.95, 1,293,162.62 and 406,593.90

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Solution

The fourth proportional to 862,108.95, 1,293,162.62 and 406,593.90 is: 609,890.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,108.95 : 1,293,162.62 = 406,593.90 : x
  2. Step 2: Convert to fraction form
    862,108.95/1,293,162.62 = 406,593.90/x
  3. Step 3: Cross multiply
    862,108.95x = 1,293,162.62 × 406,593.90
  4. Step 4: Simplify right side
    862,108.95x = 525,792,036,891.16
  5. Step 5: Solve for x
    x = 525,792,036,891.16/862,108.95
  6. Step 6: Final answer
    x = 609,890.48

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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.