Home / 957,315.84-1,436,144.52-317,658

Finding the Fourth Proportional to 957,315.84, 1,436,144.52 and 317,658

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Solution

The fourth proportional to 957,315.84, 1,436,144.52 and 317,658 is: 476,543.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,315.84 : 1,436,144.52 = 317,658 : x
  2. Step 2: Convert to fraction form
    957,315.84/1,436,144.52 = 317,658/x
  3. Step 3: Cross multiply
    957,315.84x = 1,436,144.52 × 317,658
  4. Step 4: Simplify right side
    957,315.84x = 456,202,795,934.16
  5. Step 5: Solve for x
    x = 456,202,795,934.16/957,315.84
  6. Step 6: Final answer
    x = 476,543.66

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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.