Home / 1,191,140.18-1,643,874.21-654,707.54

Finding the Fourth Proportional to 1,191,140.18, 1,643,874.21 and 654,707.54

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Solution

The fourth proportional to 1,191,140.18, 1,643,874.21 and 654,707.54 is: 903,551.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,140.18 : 1,643,874.21 = 654,707.54 : x
  2. Step 2: Convert to fraction form
    1,191,140.18/1,643,874.21 = 654,707.54/x
  3. Step 3: Cross multiply
    1,191,140.18x = 1,643,874.21 × 654,707.54
  4. Step 4: Simplify right side
    1,191,140.18x = 1,076,256,840,098.54
  5. Step 5: Solve for x
    x = 1,076,256,840,098.54/1,191,140.18
  6. Step 6: Final answer
    x = 903,551.79

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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.