Home / 691,028.88-953,294.04-404,373.12

Finding the Fourth Proportional to 691,028.88, 953,294.04 and 404,373.12

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Solution

The fourth proportional to 691,028.88, 953,294.04 and 404,373.12 is: 557,844.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,028.88 : 953,294.04 = 404,373.12 : x
  2. Step 2: Convert to fraction form
    691,028.88/953,294.04 = 404,373.12/x
  3. Step 3: Cross multiply
    691,028.88x = 953,294.04 × 404,373.12
  4. Step 4: Simplify right side
    691,028.88x = 385,486,485,232.21
  5. Step 5: Solve for x
    x = 385,486,485,232.21/691,028.88
  6. Step 6: Final answer
    x = 557,844.25

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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.