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Finding the Fourth Proportional to 1,406,848.92, 1,941,452.24 and 762,269.62

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Solution

The fourth proportional to 1,406,848.92, 1,941,452.24 and 762,269.62 is: 1,051,932.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,848.92 : 1,941,452.24 = 762,269.62 : x
  2. Step 2: Convert to fraction form
    1,406,848.92/1,941,452.24 = 762,269.62/x
  3. Step 3: Cross multiply
    1,406,848.92x = 1,941,452.24 × 762,269.62
  4. Step 4: Simplify right side
    1,406,848.92x = 1,479,910,061,232.95
  5. Step 5: Solve for x
    x = 1,479,910,061,232.95/1,406,848.92
  6. Step 6: Final answer
    x = 1,051,932.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.