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Finding the Fourth Proportional to 922,672.90, 1,384,009.35 and 834,099.40

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Solution

The fourth proportional to 922,672.90, 1,384,009.35 and 834,099.40 is: 1,251,149.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,672.90 : 1,384,009.35 = 834,099.40 : x
  2. Step 2: Convert to fraction form
    922,672.90/1,384,009.35 = 834,099.40/x
  3. Step 3: Cross multiply
    922,672.90x = 1,384,009.35 × 834,099.40
  4. Step 4: Simplify right side
    922,672.90x = 1,154,401,368,429.39
  5. Step 5: Solve for x
    x = 1,154,401,368,429.39/922,672.90
  6. Step 6: Final answer
    x = 1,251,149.10

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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.