Home / 898,715.71-1,348,101.24-393,016.39

Finding the Fourth Proportional to 898,715.71, 1,348,101.24 and 393,016.39

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Solution

The fourth proportional to 898,715.71, 1,348,101.24 and 393,016.39 is: 589,536.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,715.71 : 1,348,101.24 = 393,016.39 : x
  2. Step 2: Convert to fraction form
    898,715.71/1,348,101.24 = 393,016.39/x
  3. Step 3: Cross multiply
    898,715.71x = 1,348,101.24 × 393,016.39
  4. Step 4: Simplify right side
    898,715.71x = 529,825,882,699.32
  5. Step 5: Solve for x
    x = 529,825,882,699.32/898,715.71
  6. Step 6: Final answer
    x = 589,536.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.