Home / 1,658,596.85-2,289,569.85-1,115,047.88

Finding the Fourth Proportional to 1,658,596.85, 2,289,569.85 and 1,115,047.88

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Solution

The fourth proportional to 1,658,596.85, 2,289,569.85 and 1,115,047.88 is: 1,539,240.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,658,596.85 : 2,289,569.85 = 1,115,047.88 : x
  2. Step 2: Convert to fraction form
    1,658,596.85/2,289,569.85 = 1,115,047.88/x
  3. Step 3: Cross multiply
    1,658,596.85x = 2,289,569.85 × 1,115,047.88
  4. Step 4: Simplify right side
    1,658,596.85x = 2,552,979,995,906.57
  5. Step 5: Solve for x
    x = 2,552,979,995,906.57/1,658,596.85
  6. Step 6: Final answer
    x = 1,539,240.84

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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.