Home / 723,780.15-998,936.21-401,594.04

Finding the Fourth Proportional to 723,780.15, 998,936.21 and 401,594.04

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Solution

The fourth proportional to 723,780.15, 998,936.21 and 401,594.04 is: 554,266.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,780.15 : 998,936.21 = 401,594.04 : x
  2. Step 2: Convert to fraction form
    723,780.15/998,936.21 = 401,594.04/x
  3. Step 3: Cross multiply
    723,780.15x = 998,936.21 × 401,594.04
  4. Step 4: Simplify right side
    723,780.15x = 401,166,826,268.22
  5. Step 5: Solve for x
    x = 401,166,826,268.22/723,780.15
  6. Step 6: Final answer
    x = 554,266.13

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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.