Home / 987,070.58-1,362,157.90-534,361.58

Finding the Fourth Proportional to 987,070.58, 1,362,157.90 and 534,361.58

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Solution

The fourth proportional to 987,070.58, 1,362,157.90 and 534,361.58 is: 737,419.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,070.58 : 1,362,157.90 = 534,361.58 : x
  2. Step 2: Convert to fraction form
    987,070.58/1,362,157.90 = 534,361.58/x
  3. Step 3: Cross multiply
    987,070.58x = 1,362,157.90 × 534,361.58
  4. Step 4: Simplify right side
    987,070.58x = 727,884,839,506.79
  5. Step 5: Solve for x
    x = 727,884,839,506.79/987,070.58
  6. Step 6: Final answer
    x = 737,419.25

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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.