Home / 629,870.58-869,230.44-343,405.17

Finding the Fourth Proportional to 629,870.58, 869,230.44 and 343,405.17

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Solution

The fourth proportional to 629,870.58, 869,230.44 and 343,405.17 is: 473,904.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,870.58 : 869,230.44 = 343,405.17 : x
  2. Step 2: Convert to fraction form
    629,870.58/869,230.44 = 343,405.17/x
  3. Step 3: Cross multiply
    629,870.58x = 869,230.44 × 343,405.17
  4. Step 4: Simplify right side
    629,870.58x = 298,498,227,017.38
  5. Step 5: Solve for x
    x = 298,498,227,017.38/629,870.58
  6. Step 6: Final answer
    x = 473,904.06

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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.