Home / 617,922.40-927,661.20-333,839.20

Finding the Fourth Proportional to 617,922.40, 927,661.20 and 333,839.20

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Solution

The fourth proportional to 617,922.40, 927,661.20 and 333,839.20 is: 501,178.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,922.40 : 927,661.20 = 333,839.20 : x
  2. Step 2: Convert to fraction form
    617,922.40/927,661.20 = 333,839.20/x
  3. Step 3: Cross multiply
    617,922.40x = 927,661.20 × 333,839.20
  4. Step 4: Simplify right side
    617,922.40x = 309,689,672,879.04
  5. Step 5: Solve for x
    x = 309,689,672,879.04/617,922.40
  6. Step 6: Final answer
    x = 501,178.91

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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.