Home / 642,116.16-963,185.04-242,944.92

Finding the Fourth Proportional to 642,116.16, 963,185.04 and 242,944.92

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Solution

The fourth proportional to 642,116.16, 963,185.04 and 242,944.92 is: 364,421.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,116.16 : 963,185.04 = 242,944.92 : x
  2. Step 2: Convert to fraction form
    642,116.16/963,185.04 = 242,944.92/x
  3. Step 3: Cross multiply
    642,116.16x = 963,185.04 × 242,944.92
  4. Step 4: Simplify right side
    642,116.16x = 234,000,912,488.00
  5. Step 5: Solve for x
    x = 234,000,912,488.00/642,116.16
  6. Step 6: Final answer
    x = 364,421.47

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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.