Home / 1,138,624.36-1,571,274.25-622,355.07

Finding the Fourth Proportional to 1,138,624.36, 1,571,274.25 and 622,355.07

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Solution

The fourth proportional to 1,138,624.36, 1,571,274.25 and 622,355.07 is: 858,835.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,624.36 : 1,571,274.25 = 622,355.07 : x
  2. Step 2: Convert to fraction form
    1,138,624.36/1,571,274.25 = 622,355.07/x
  3. Step 3: Cross multiply
    1,138,624.36x = 1,571,274.25 × 622,355.07
  4. Step 4: Simplify right side
    1,138,624.36x = 977,890,495,847.95
  5. Step 5: Solve for x
    x = 977,890,495,847.95/1,138,624.36
  6. Step 6: Final answer
    x = 858,835.04

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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.