Home / 1,104,303.60-1,656,455.40-394,403.40

Finding the Fourth Proportional to 1,104,303.60, 1,656,455.40 and 394,403.40

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Solution

The fourth proportional to 1,104,303.60, 1,656,455.40 and 394,403.40 is: 591,605.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104,303.60 : 1,656,455.40 = 394,403.40 : x
  2. Step 2: Convert to fraction form
    1,104,303.60/1,656,455.40 = 394,403.40/x
  3. Step 3: Cross multiply
    1,104,303.60x = 1,656,455.40 × 394,403.40
  4. Step 4: Simplify right side
    1,104,303.60x = 653,311,641,708.36
  5. Step 5: Solve for x
    x = 653,311,641,708.36/1,104,303.60
  6. Step 6: Final answer
    x = 591,605.10

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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.