Home / 1,201,072.55-1,657,466.02-657,202.10

Finding the Fourth Proportional to 1,201,072.55, 1,657,466.02 and 657,202.10

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Solution

The fourth proportional to 1,201,072.55, 1,657,466.02 and 657,202.10 is: 906,931.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,072.55 : 1,657,466.02 = 657,202.10 : x
  2. Step 2: Convert to fraction form
    1,201,072.55/1,657,466.02 = 657,202.10/x
  3. Step 3: Cross multiply
    1,201,072.55x = 1,657,466.02 × 657,202.10
  4. Step 4: Simplify right side
    1,201,072.55x = 1,089,290,149,022.64
  5. Step 5: Solve for x
    x = 1,089,290,149,022.64/1,201,072.55
  6. Step 6: Final answer
    x = 906,931.18

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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.