Home / 1,009,394.01-1,393,430.18-622,278.61

Finding the Fourth Proportional to 1,009,394.01, 1,393,430.18 and 622,278.61

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Solution

The fourth proportional to 1,009,394.01, 1,393,430.18 and 622,278.61 is: 859,032.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,394.01 : 1,393,430.18 = 622,278.61 : x
  2. Step 2: Convert to fraction form
    1,009,394.01/1,393,430.18 = 622,278.61/x
  3. Step 3: Cross multiply
    1,009,394.01x = 1,393,430.18 × 622,278.61
  4. Step 4: Simplify right side
    1,009,394.01x = 867,101,795,542.45
  5. Step 5: Solve for x
    x = 867,101,795,542.45/1,009,394.01
  6. Step 6: Final answer
    x = 859,032.04

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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.