Home / 933,358.91-1,399,569.47-543,990.67

Finding the Fourth Proportional to 933,358.91, 1,399,569.47 and 543,990.67

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Solution

The fourth proportional to 933,358.91, 1,399,569.47 and 543,990.67 is: 815,712.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,358.91 : 1,399,569.47 = 543,990.67 : x
  2. Step 2: Convert to fraction form
    933,358.91/1,399,569.47 = 543,990.67/x
  3. Step 3: Cross multiply
    933,358.91x = 1,399,569.47 × 543,990.67
  4. Step 4: Simplify right side
    933,358.91x = 761,352,729,517.93
  5. Step 5: Solve for x
    x = 761,352,729,517.93/933,358.91
  6. Step 6: Final answer
    x = 815,712.72

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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.