Home / 1,103,363.80-1,522,639.74-619,941.40

Finding the Fourth Proportional to 1,103,363.80, 1,522,639.74 and 619,941.40

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Solution

The fourth proportional to 1,103,363.80, 1,522,639.74 and 619,941.40 is: 855,517.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,363.80 : 1,522,639.74 = 619,941.40 : x
  2. Step 2: Convert to fraction form
    1,103,363.80/1,522,639.74 = 619,941.40/x
  3. Step 3: Cross multiply
    1,103,363.80x = 1,522,639.74 × 619,941.40
  4. Step 4: Simplify right side
    1,103,363.80x = 943,947,412,111.24
  5. Step 5: Solve for x
    x = 943,947,412,111.24/1,103,363.80
  6. Step 6: Final answer
    x = 855,517.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.