Home / 1,007,840.18-1,390,821.38-548,953.34

Finding the Fourth Proportional to 1,007,840.18, 1,390,821.38 and 548,953.34

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Solution

The fourth proportional to 1,007,840.18, 1,390,821.38 and 548,953.34 is: 757,556.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,840.18 : 1,390,821.38 = 548,953.34 : x
  2. Step 2: Convert to fraction form
    1,007,840.18/1,390,821.38 = 548,953.34/x
  3. Step 3: Cross multiply
    1,007,840.18x = 1,390,821.38 × 548,953.34
  4. Step 4: Simplify right side
    1,007,840.18x = 763,496,034,940.30
  5. Step 5: Solve for x
    x = 763,496,034,940.30/1,007,840.18
  6. Step 6: Final answer
    x = 757,556.65

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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.