Home / 1,201,074.55-1,657,468.78-657,204.10

Finding the Fourth Proportional to 1,201,074.55, 1,657,468.78 and 657,204.10

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Solution

The fourth proportional to 1,201,074.55, 1,657,468.78 and 657,204.10 is: 906,933.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,074.55 : 1,657,468.78 = 657,204.10 : x
  2. Step 2: Convert to fraction form
    1,201,074.55/1,657,468.78 = 657,204.10/x
  3. Step 3: Cross multiply
    1,201,074.55x = 1,657,468.78 × 657,204.10
  4. Step 4: Simplify right side
    1,201,074.55x = 1,089,295,277,838.00
  5. Step 5: Solve for x
    x = 1,089,295,277,838.00/1,201,074.55
  6. Step 6: Final answer
    x = 906,933.94

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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.