Home / 957,341.08-1,321,107.92-521,772.18

Finding the Fourth Proportional to 957,341.08, 1,321,107.92 and 521,772.18

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Solution

The fourth proportional to 957,341.08, 1,321,107.92 and 521,772.18 is: 720,033.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,341.08 : 1,321,107.92 = 521,772.18 : x
  2. Step 2: Convert to fraction form
    957,341.08/1,321,107.92 = 521,772.18/x
  3. Step 3: Cross multiply
    957,341.08x = 1,321,107.92 × 521,772.18
  4. Step 4: Simplify right side
    957,341.08x = 689,317,359,433.67
  5. Step 5: Solve for x
    x = 689,317,359,433.67/957,341.08
  6. Step 6: Final answer
    x = 720,033.20

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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.