Home / 1,109,509.55-1,663,116.15-603,000.35

Finding the Fourth Proportional to 1,109,509.55, 1,663,116.15 and 603,000.35

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Solution

The fourth proportional to 1,109,509.55, 1,663,116.15 and 603,000.35 is: 903,876.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,509.55 : 1,663,116.15 = 603,000.35 : x
  2. Step 2: Convert to fraction form
    1,109,509.55/1,663,116.15 = 603,000.35/x
  3. Step 3: Cross multiply
    1,109,509.55x = 1,663,116.15 × 603,000.35
  4. Step 4: Simplify right side
    1,109,509.55x = 1,002,859,620,540.65
  5. Step 5: Solve for x
    x = 1,002,859,620,540.65/1,109,509.55
  6. Step 6: Final answer
    x = 903,876.51

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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.