Home / 1,353,041.43-1,865,908.74-809,088.63

Finding the Fourth Proportional to 1,353,041.43, 1,865,908.74 and 809,088.63

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Solution

The fourth proportional to 1,353,041.43, 1,865,908.74 and 809,088.63 is: 1,115,771.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,041.43 : 1,865,908.74 = 809,088.63 : x
  2. Step 2: Convert to fraction form
    1,353,041.43/1,865,908.74 = 809,088.63/x
  3. Step 3: Cross multiply
    1,353,041.43x = 1,865,908.74 × 809,088.63
  4. Step 4: Simplify right side
    1,353,041.43x = 1,509,685,546,151.63
  5. Step 5: Solve for x
    x = 1,509,685,546,151.63/1,353,041.43
  6. Step 6: Final answer
    x = 1,115,771.85

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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.