Home / 1,201,066.81-1,657,472.21-657,202.60

Finding the Fourth Proportional to 1,201,066.81, 1,657,472.21 and 657,202.60

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Solution

The fourth proportional to 1,201,066.81, 1,657,472.21 and 657,202.60 is: 906,939.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,066.81 : 1,657,472.21 = 657,202.60 : x
  2. Step 2: Convert to fraction form
    1,201,066.81/1,657,472.21 = 657,202.60/x
  3. Step 3: Cross multiply
    1,201,066.81x = 1,657,472.21 × 657,202.60
  4. Step 4: Simplify right side
    1,201,066.81x = 1,089,295,045,839.75
  5. Step 5: Solve for x
    x = 1,089,295,045,839.75/1,201,066.81
  6. Step 6: Final answer
    x = 906,939.59

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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.