Home / 1,821,500.25-2,732,381.61-699,569.25

Finding the Fourth Proportional to 1,821,500.25, 2,732,381.61 and 699,569.25

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Solution

The fourth proportional to 1,821,500.25, 2,732,381.61 and 699,569.25 is: 1,049,404.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,500.25 : 2,732,381.61 = 699,569.25 : x
  2. Step 2: Convert to fraction form
    1,821,500.25/2,732,381.61 = 699,569.25/x
  3. Step 3: Cross multiply
    1,821,500.25x = 2,732,381.61 × 699,569.25
  4. Step 4: Simplify right side
    1,821,500.25x = 1,911,490,153,621.49
  5. Step 5: Solve for x
    x = 1,911,490,153,621.49/1,821,500.25
  6. Step 6: Final answer
    x = 1,049,404.28

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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.