Home / 1,105,646.40-1,525,773.60-622,211.40

Finding the Fourth Proportional to 1,105,646.40, 1,525,773.60 and 622,211.40

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Solution

The fourth proportional to 1,105,646.40, 1,525,773.60 and 622,211.40 is: 858,641.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,646.40 : 1,525,773.60 = 622,211.40 : x
  2. Step 2: Convert to fraction form
    1,105,646.40/1,525,773.60 = 622,211.40/x
  3. Step 3: Cross multiply
    1,105,646.40x = 1,525,773.60 × 622,211.40
  4. Step 4: Simplify right side
    1,105,646.40x = 949,353,727,739.04
  5. Step 5: Solve for x
    x = 949,353,727,739.04/1,105,646.40
  6. Step 6: Final answer
    x = 858,641.36

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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.