Home / 1,690,683.92-2,536,414.77-553,482.80

Finding the Fourth Proportional to 1,690,683.92, 2,536,414.77 and 553,482.80

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Solution

The fourth proportional to 1,690,683.92, 2,536,414.77 and 553,482.80 is: 830,351.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,683.92 : 2,536,414.77 = 553,482.80 : x
  2. Step 2: Convert to fraction form
    1,690,683.92/2,536,414.77 = 553,482.80/x
  3. Step 3: Cross multiply
    1,690,683.92x = 2,536,414.77 × 553,482.80
  4. Step 4: Simplify right side
    1,690,683.92x = 1,403,861,948,860.96
  5. Step 5: Solve for x
    x = 1,403,861,948,860.96/1,690,683.92
  6. Step 6: Final answer
    x = 830,351.51

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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.