Home / 1,201,069.80-1,657,462.23-657,199.35

Finding the Fourth Proportional to 1,201,069.80, 1,657,462.23 and 657,199.35

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Solution

The fourth proportional to 1,201,069.80, 1,657,462.23 and 657,199.35 is: 906,927.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,069.80 : 1,657,462.23 = 657,199.35 : x
  2. Step 2: Convert to fraction form
    1,201,069.80/1,657,462.23 = 657,199.35/x
  3. Step 3: Cross multiply
    1,201,069.80x = 1,657,462.23 × 657,199.35
  4. Step 4: Simplify right side
    1,201,069.80x = 1,089,283,100,205.55
  5. Step 5: Solve for x
    x = 1,089,283,100,205.55/1,201,069.80
  6. Step 6: Final answer
    x = 906,927.39

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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.