Home / 3,432,688.47-5,149,278.95-908,313.75

Finding the Fourth Proportional to 3,432,688.47, 5,149,278.95 and 908,313.75

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Solution

The fourth proportional to 3,432,688.47, 5,149,278.95 and 908,313.75 is: 1,362,535.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432,688.47 : 5,149,278.95 = 908,313.75 : x
  2. Step 2: Convert to fraction form
    3,432,688.47/5,149,278.95 = 908,313.75/x
  3. Step 3: Cross multiply
    3,432,688.47x = 5,149,278.95 × 908,313.75
  4. Step 4: Simplify right side
    3,432,688.47x = 4,677,160,868,328.99
  5. Step 5: Solve for x
    x = 4,677,160,868,328.99/3,432,688.47
  6. Step 6: Final answer
    x = 1,362,535.78

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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.