Home / 982,155.60-1,355,361.12-552,436.02

Finding the Fourth Proportional to 982,155.60, 1,355,361.12 and 552,436.02

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Solution

The fourth proportional to 982,155.60, 1,355,361.12 and 552,436.02 is: 762,354.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,155.60 : 1,355,361.12 = 552,436.02 : x
  2. Step 2: Convert to fraction form
    982,155.60/1,355,361.12 = 552,436.02/x
  3. Step 3: Cross multiply
    982,155.60x = 1,355,361.12 × 552,436.02
  4. Step 4: Simplify right side
    982,155.60x = 748,750,302,795.54
  5. Step 5: Solve for x
    x = 748,750,302,795.54/982,155.60
  6. Step 6: Final answer
    x = 762,354.05

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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.