Home / 1,113,305.40-1,669,860.90-365,351.40

Finding the Fourth Proportional to 1,113,305.40, 1,669,860.90 and 365,351.40

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Solution

The fourth proportional to 1,113,305.40, 1,669,860.90 and 365,351.40 is: 547,995.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,305.40 : 1,669,860.90 = 365,351.40 : x
  2. Step 2: Convert to fraction form
    1,113,305.40/1,669,860.90 = 365,351.40/x
  3. Step 3: Cross multiply
    1,113,305.40x = 1,669,860.90 × 365,351.40
  4. Step 4: Simplify right side
    1,113,305.40x = 610,086,017,620.26
  5. Step 5: Solve for x
    x = 610,086,017,620.26/1,113,305.40
  6. Step 6: Final answer
    x = 547,995.20

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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.