Home / 617,901.05-926,851.58-262,926.65

Finding the Fourth Proportional to 617,901.05, 926,851.58 and 262,926.65

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Solution

The fourth proportional to 617,901.05, 926,851.58 and 262,926.65 is: 394,389.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,901.05 : 926,851.58 = 262,926.65 : x
  2. Step 2: Convert to fraction form
    617,901.05/926,851.58 = 262,926.65/x
  3. Step 3: Cross multiply
    617,901.05x = 926,851.58 × 262,926.65
  4. Step 4: Simplify right side
    617,901.05x = 243,693,979,661.97
  5. Step 5: Solve for x
    x = 243,693,979,661.97/617,901.05
  6. Step 6: Final answer
    x = 394,389.98

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Similar ratio
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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.