Home / 617,945.20-926,226.60-351,833.20

Finding the Fourth Proportional to 617,945.20, 926,226.60 and 351,833.20

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Solution

The fourth proportional to 617,945.20, 926,226.60 and 351,833.20 is: 527,356.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,945.20 : 926,226.60 = 351,833.20 : x
  2. Step 2: Convert to fraction form
    617,945.20/926,226.60 = 351,833.20/x
  3. Step 3: Cross multiply
    617,945.20x = 926,226.60 × 351,833.20
  4. Step 4: Simplify right side
    617,945.20x = 325,877,268,603.12
  5. Step 5: Solve for x
    x = 325,877,268,603.12/617,945.20
  6. Step 6: Final answer
    x = 527,356.26

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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.