Home / 1,689,881.16-2,533,378.32-624,724.68

Finding the Fourth Proportional to 1,689,881.16, 2,533,378.32 and 624,724.68

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Solution

The fourth proportional to 1,689,881.16, 2,533,378.32 and 624,724.68 is: 936,553.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,881.16 : 2,533,378.32 = 624,724.68 : x
  2. Step 2: Convert to fraction form
    1,689,881.16/2,533,378.32 = 624,724.68/x
  3. Step 3: Cross multiply
    1,689,881.16x = 2,533,378.32 × 624,724.68
  4. Step 4: Simplify right side
    1,689,881.16x = 1,582,663,960,280.94
  5. Step 5: Solve for x
    x = 1,582,663,960,280.94/1,689,881.16
  6. Step 6: Final answer
    x = 936,553.41

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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.