Home / 723,872.25-998,944.95-401,582.37

Finding the Fourth Proportional to 723,872.25, 998,944.95 and 401,582.37

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Solution

The fourth proportional to 723,872.25, 998,944.95 and 401,582.37 is: 554,184.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,872.25 : 998,944.95 = 401,582.37 : x
  2. Step 2: Convert to fraction form
    723,872.25/998,944.95 = 401,582.37/x
  3. Step 3: Cross multiply
    723,872.25x = 998,944.95 × 401,582.37
  4. Step 4: Simplify right side
    723,872.25x = 401,158,680,520.53
  5. Step 5: Solve for x
    x = 401,158,680,520.53/723,872.25
  6. Step 6: Final answer
    x = 554,184.36

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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.