Home / 1,201,308.38-1,657,783.40-657,433.25

Finding the Fourth Proportional to 1,201,308.38, 1,657,783.40 and 657,433.25

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Solution

The fourth proportional to 1,201,308.38, 1,657,783.40 and 657,433.25 is: 907,245.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,308.38 : 1,657,783.40 = 657,433.25 : x
  2. Step 2: Convert to fraction form
    1,201,308.38/1,657,783.40 = 657,433.25/x
  3. Step 3: Cross multiply
    1,201,308.38x = 1,657,783.40 × 657,433.25
  4. Step 4: Simplify right side
    1,201,308.38x = 1,089,881,916,881.97
  5. Step 5: Solve for x
    x = 1,089,881,916,881.97/1,201,308.38
  6. Step 6: Final answer
    x = 907,245.75

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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.