Home / 723,856.19-998,922.71-401,566.28

Finding the Fourth Proportional to 723,856.19, 998,922.71 and 401,566.28

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Solution

The fourth proportional to 723,856.19, 998,922.71 and 401,566.28 is: 554,162.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,856.19 : 998,922.71 = 401,566.28 : x
  2. Step 2: Convert to fraction form
    723,856.19/998,922.71 = 401,566.28/x
  3. Step 3: Cross multiply
    723,856.19x = 998,922.71 × 401,566.28
  4. Step 4: Simplify right side
    723,856.19x = 401,133,672,671.52
  5. Step 5: Solve for x
    x = 401,133,672,671.52/723,856.19
  6. Step 6: Final answer
    x = 554,162.11

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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.