Home / 617,932.10-926,898.15-352,511.30

Finding the Fourth Proportional to 617,932.10, 926,898.15 and 352,511.30

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Solution

The fourth proportional to 617,932.10, 926,898.15 and 352,511.30 is: 528,766.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,932.10 : 926,898.15 = 352,511.30 : x
  2. Step 2: Convert to fraction form
    617,932.10/926,898.15 = 352,511.30/x
  3. Step 3: Cross multiply
    617,932.10x = 926,898.15 × 352,511.30
  4. Step 4: Simplify right side
    617,932.10x = 326,742,071,824.10
  5. Step 5: Solve for x
    x = 326,742,071,824.10/617,932.10
  6. Step 6: Final answer
    x = 528,766.95

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Double scale
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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.