Home / 723,856.36-998,922.95-401,566.46

Finding the Fourth Proportional to 723,856.36, 998,922.95 and 401,566.46

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Solution

The fourth proportional to 723,856.36, 998,922.95 and 401,566.46 is: 554,162.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,856.36 : 998,922.95 = 401,566.46 : x
  2. Step 2: Convert to fraction form
    723,856.36/998,922.95 = 401,566.46/x
  3. Step 3: Cross multiply
    723,856.36x = 998,922.95 × 401,566.46
  4. Step 4: Simplify right side
    723,856.36x = 401,133,950,836.43
  5. Step 5: Solve for x
    x = 401,133,950,836.43/723,856.36
  6. Step 6: Final answer
    x = 554,162.37

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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.