Home / 694,916.60-1,042,374.90-656,209.40

Finding the Fourth Proportional to 694,916.60, 1,042,374.90 and 656,209.40

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Solution

The fourth proportional to 694,916.60, 1,042,374.90 and 656,209.40 is: 984,314.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,916.60 : 1,042,374.90 = 656,209.40 : x
  2. Step 2: Convert to fraction form
    694,916.60/1,042,374.90 = 656,209.40/x
  3. Step 3: Cross multiply
    694,916.60x = 1,042,374.90 × 656,209.40
  4. Step 4: Simplify right side
    694,916.60x = 684,016,207,704.06
  5. Step 5: Solve for x
    x = 684,016,207,704.06/694,916.60
  6. Step 6: Final answer
    x = 984,314.10

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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.