Home / 957,689.40-1,436,418.90-396,665.40

Finding the Fourth Proportional to 957,689.40, 1,436,418.90 and 396,665.40

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Solution

The fourth proportional to 957,689.40, 1,436,418.90 and 396,665.40 is: 594,950.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,689.40 : 1,436,418.90 = 396,665.40 : x
  2. Step 2: Convert to fraction form
    957,689.40/1,436,418.90 = 396,665.40/x
  3. Step 3: Cross multiply
    957,689.40x = 1,436,418.90 × 396,665.40
  4. Step 4: Simplify right side
    957,689.40x = 569,777,677,536.06
  5. Step 5: Solve for x
    x = 569,777,677,536.06/957,689.40
  6. Step 6: Final answer
    x = 594,950.39

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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.