Home / 982,110.42-1,355,299.29-552,390.30

Finding the Fourth Proportional to 982,110.42, 1,355,299.29 and 552,390.30

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Solution

The fourth proportional to 982,110.42, 1,355,299.29 and 552,390.30 is: 762,291.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,110.42 : 1,355,299.29 = 552,390.30 : x
  2. Step 2: Convert to fraction form
    982,110.42/1,355,299.29 = 552,390.30/x
  3. Step 3: Cross multiply
    982,110.42x = 1,355,299.29 × 552,390.30
  4. Step 4: Simplify right side
    982,110.42x = 748,654,181,392.89
  5. Step 5: Solve for x
    x = 748,654,181,392.89/982,110.42
  6. Step 6: Final answer
    x = 762,291.25

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1.5x scale

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.