Home / 1,313,282.94-1,969,776.72-353,809.46

Finding the Fourth Proportional to 1,313,282.94, 1,969,776.72 and 353,809.46

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Solution

The fourth proportional to 1,313,282.94, 1,969,776.72 and 353,809.46 is: 530,674.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,282.94 : 1,969,776.72 = 353,809.46 : x
  2. Step 2: Convert to fraction form
    1,313,282.94/1,969,776.72 = 353,809.46/x
  3. Step 3: Cross multiply
    1,313,282.94x = 1,969,776.72 × 353,809.46
  4. Step 4: Simplify right side
    1,313,282.94x = 696,925,627,774.89
  5. Step 5: Solve for x
    x = 696,925,627,774.89/1,313,282.94
  6. Step 6: Final answer
    x = 530,674.39

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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.