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Finding the Fourth Proportional to 992,035.24, 1,488,662 and 788,426.88

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Solution

The fourth proportional to 992,035.24, 1,488,662 and 788,426.88 is: 1,183,124.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,035.24 : 1,488,662 = 788,426.88 : x
  2. Step 2: Convert to fraction form
    992,035.24/1,488,662 = 788,426.88/x
  3. Step 3: Cross multiply
    992,035.24x = 1,488,662 × 788,426.88
  4. Step 4: Simplify right side
    992,035.24x = 1,173,701,136,034.56
  5. Step 5: Solve for x
    x = 1,173,701,136,034.56/992,035.24
  6. Step 6: Final answer
    x = 1,183,124.44

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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.