Home / 842,958.40-1,162,929.75-552,639.67

Finding the Fourth Proportional to 842,958.40, 1,162,929.75 and 552,639.67

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Solution

The fourth proportional to 842,958.40, 1,162,929.75 and 552,639.67 is: 762,411.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,958.40 : 1,162,929.75 = 552,639.67 : x
  2. Step 2: Convert to fraction form
    842,958.40/1,162,929.75 = 552,639.67/x
  3. Step 3: Cross multiply
    842,958.40x = 1,162,929.75 × 552,639.67
  4. Step 4: Simplify right side
    842,958.40x = 642,681,113,273.18
  5. Step 5: Solve for x
    x = 642,681,113,273.18/842,958.40
  6. Step 6: Final answer
    x = 762,411.42

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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.