Home / 663,284.70-994,927.05-242,862.30

Finding the Fourth Proportional to 663,284.70, 994,927.05 and 242,862.30

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Solution

The fourth proportional to 663,284.70, 994,927.05 and 242,862.30 is: 364,293.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,284.70 : 994,927.05 = 242,862.30 : x
  2. Step 2: Convert to fraction form
    663,284.70/994,927.05 = 242,862.30/x
  3. Step 3: Cross multiply
    663,284.70x = 994,927.05 × 242,862.30
  4. Step 4: Simplify right side
    663,284.70x = 241,630,271,695.22
  5. Step 5: Solve for x
    x = 241,630,271,695.22/663,284.70
  6. Step 6: Final answer
    x = 364,293.45

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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.